Bosch Spark Plug Grand Prix มีทั้งหมดกี่รอบ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many rounds were there of the Bosch Spark Plug Grand Prix?It is not neccessary to use all the tables.
 table_10725629_2:  (rnd [ VARCHAR ] race_name [ VARCHAR) ]
SELECT COUNT(rnd) FROM table_10725629_2 WHERE race_name = "Bosch Spark Plug Grand Prix"