Put TextView on right bottom corner

I need to put a textView on the right bottom corner of the layout and I don't know how to do it without absoluteX and absoluteY coords.

I put the code below and also a screen capture:

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.prodintec.am_motion.QuizActivity">

<RelativeLayout
    android:layout_width="368dp"
    android:layout_height="wrap_content"
    tools:layout_editor_absoluteY="0dp"
    tools:layout_editor_absoluteX="8dp">

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="20dp"
        android:paddingEnd="10dp"
        android:paddingStart="10dp">

        <TableRow
            android:padding="2dp"
            android:id="@+id/tableRow1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <TextView
                android:id="@+id/HeaderTextView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="FOUR OPTIONS QUESTION" />
        </TableRow>

        <TableRow
            android:padding="2dp"
            android:id="@+id/tableRow2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <Button
                android:id="@+id/answer1"
                android:layout_width="0dip"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:layout_marginBottom="2dp"
                android:background="@color/primary"
                android:textColor="@color/accent"
                android:textSize="20dp"
                android:text="ANSWER 1" />

            <Button
                android:id="@+id/answer2"
                android:layout_width="0dip"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:layout_marginBottom="2dp"
                android:background="@color/primary"
                android:textColor="@color/accent"
                android:textSize="20dp"
                android:text="ANSWER 2" />
        </TableRow>

        <TableRow
            android:padding="2dp"
            android:id="@+id/tableRow3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <Button
                android:id="@+id/answer3"
                android:layout_width="0dip"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:layout_marginBottom="2dp"
                android:background="@color/primary"
                android:textColor="@color/accent"
                android:textSize="20dp"
                android:text="ANSWER 3" />

            <Button
                android:id="@+id/answer4"
                android:layout_width="0dip"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:layout_marginBottom="2dp"
                android:background="@color/primary"
                android:textColor="@color/accent"
                android:textSize="20dp"
                android:text="ANSWER 4" />
        </TableRow>

        <TableRow
            android:padding="2dp"
            android:id="@+id/tableRow4"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <TextView
                android:id="@+id/HeaderTextView2"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="TWO OPTIONS QUESTION" />
        </TableRow>

        <TableRow
            android:padding="2dp"
            android:id="@+id/tableRow5"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <Button
                android:id="@+id/answer5"
                android:layout_width="0dip"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:layout_marginBottom="2dp"
                android:background="@color/primary"
                android:textColor="@color/accent"
                android:textSize="20dp"
                android:text="ANSWER 1" />

            <Button
                android:id="@+id/answer6"
                android:layout_width="0dip"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:layout_marginBottom="2dp"
                android:background="@color/primary"
                android:textColor="@color/accent"
                android:textSize="20dp"
                android:text="ANSWER 2" />
        </TableRow>
    </TableLayout>
    <TextView
        android:id="@+id/PointsTextView"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:text="POINTS:" />
</RelativeLayout>

</android.support.constraint.ConstraintLayout>

Can anyone help me? Thanks!