How many total rounds used the submission (choke) method?
CREATE TABLE table_name_21 (round INTEGER, method VARCHAR)
SELECT SUM(round) FROM table_name_21 WHERE method = "submission (choke)"
### Context: CREATE TABLE table_name_21 (round INTEGER, method VARCHAR) ### Question: How many total rounds used the submission (choke) method? ### Answer: SELECT SUM(round) FROM table_name_21 WHERE method = "submission (choke)"