คู่ต่อสู้ในรอบ R2 คือใคร?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Who was the opponent in the round of R2?It is not neccessary to use all the tables.
 table_name_95:  (opponent [ VARCHAR ] round [ VARCHAR) ]
SELECT opponent FROM table_name_95 WHERE round = "r2"