ศึกไหนผลสกอร์ 3-1 ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which competition with a result of 3-1?It is not neccessary to use all the tables.
 table_name_68:  (competition [ VARCHAR ] result [ VARCHAR) ]
SELECT competition FROM table_name_68 WHERE result = "3-1"