In Round 6, how many winning drivers were there?
CREATE TABLE table_11056278_3 (winning_driver VARCHAR, rnd VARCHAR)
SELECT COUNT(winning_driver) FROM table_11056278_3 WHERE rnd = 6
### Context: CREATE TABLE table_11056278_3 (winning_driver VARCHAR, rnd VARCHAR) ### Question: In Round 6, how many winning drivers were there? ### Answer: SELECT COUNT(winning_driver) FROM table_11056278_3 WHERE rnd = 6