Return Highest Value From Column ROUTE_NUMBER

    public int highestRoute(SQLiteDatabase db)
    {
        int highRoute = 0;
        try {

            Cursor results = db.rawQuery("SELECT MAX("+ROUTE_NUMBER+") FROM "+TABLE_NAME, null);
            if (results.moveToFirst())
            {

                    highRoute = results.getInt(1);

            }
        } catch (Exception e)
        {
            Log.e(FixOpenHelper.class.getName(), "Unable to get highestRoute.", e);
        }

            return highRoute;

    }