British Champion Stakes คือกลุ่มใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What was the group in the British Champion Stakes?It is not neccessary to use all the tables.
 table_24850630_4:  (group [ VARCHAR ] race [ VARCHAR) ]
SELECT group FROM table_24850630_4 WHERE race = "British Champion Stakes"