ใครเป็นรองแชมป์ Sankar Adhi?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
who ended runner-up to sankar adhi?It is not neccessary to use all the tables.
 table_22757733_4:  (runner_up_a [ VARCHAR ] winner [ VARCHAR) ]
SELECT runner_up_a FROM table_22757733_4 WHERE winner = "Sankar Adhi"