Name the total number of round 3 for class tt1
CREATE TABLE table_18646111_13 (round_3 VARCHAR, class VARCHAR)
SELECT COUNT(round_3) FROM table_18646111_13 WHERE class = "TT1"
### Context: CREATE TABLE table_18646111_13 (round_3 VARCHAR, class VARCHAR) ### Question: Name the total number of round 3 for class tt1 ### Answer: SELECT COUNT(round_3) FROM table_18646111_13 WHERE class = "TT1"