คู่ต่อสู้คนไหนมีสถิติ 3 1 ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which opponent has a record of 3 1?It is not neccessary to use all the tables.
 table_12308:  "Res." [ text]  "Record" [ text]  "Opponent" [ text]  "Method" [ text]  "Event" [ text]  "Round" [ real]  "Time" [ text]  "Location" [ text] 
SELECT "Opponent" FROM table_12308 WHERE "Record" = '3–1'