A. Karthikeyan มีผู้ชนะกี่คน?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many winners have a runner-up of A. Karthikeyan?It is not neccessary to use all the tables.
 table_22753439_1:  (winner [ VARCHAR ] runner_up_a [ VARCHAR) ]
SELECT COUNT(winner) FROM table_22753439_1 WHERE runner_up_a = "A. Karthikeyan"