Bellator 72 แข่งไปกี่รอบ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many rounds did the match go for the Bellator 72 event?It is not neccessary to use all the tables.
 table_name_62:  (round [ INTEGER ] event [ VARCHAR) ]
SELECT SUM(round) FROM table_name_62 WHERE event = "bellator 72"