สโมสรที่มีคะแนนมีกี่คะแนน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many points against did the club with points have?It is not neccessary to use all the tables.
 table_name_21:  (Id [ VARCHAR) ]
SELECT "points" AS _against FROM table_name_21 WHERE "points" = "points"