Insert value to specific primary key in sqlite , android?

I have to below table structure of my sqlite database in android

I want to insert value to "answer" column according to the ques id.

How do I do it?

SQLiteDatabase db = this.getWritableDatabase();

        ContentValues values = new ContentValues();
        values.put(KEY_Answer, answer);
        // Inserting Row
        db.insert(TABLE_Question, null, values);

    db.close(); // Closing database connection