คู่ต่อสู้คนไหนมีสถิติ 6-2?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which opponent has a record of 6-2?It is not neccessary to use all the tables.
 table_21091127_1:  opponent [ VARCHAR]  record [ VARCHAR] 
SELECT opponent FROM table_21091127_1 WHERE record = "6-2"