คู่ต่อสู้คนไหนมีสถิติ 4-2?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which opponent has a record of 4-2?It is not neccessary to use all the tables.
 table_name_55:  (opponent [ VARCHAR ] record [ VARCHAR) ]
SELECT opponent FROM table_name_55 WHERE record = "4-2"