How many rounds did the match go for the Bellator 72 event?
CREATE TABLE table_name_62 (round INTEGER, event VARCHAR)
SELECT SUM(round) FROM table_name_62 WHERE event = "bellator 72"
### Context: CREATE TABLE table_name_62 (round INTEGER, event VARCHAR) ### Question: How many rounds did the match go for the Bellator 72 event? ### Answer: SELECT SUM(round) FROM table_name_62 WHERE event = "bellator 72"