คลับไหนมีโบนัสแพ้ 1 ครั้ง?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which Club has 1 Losing bonus?It is not neccessary to use all the tables.
 table_name_18:  (club [ VARCHAR ] losing_bonus [ VARCHAR) ]
SELECT club FROM table_name_18 WHERE losing_bonus = "1"