How many rounds did Ken Wharton go?
CREATE TABLE table_name_64 (rounds VARCHAR, driver VARCHAR)
SELECT rounds FROM table_name_64 WHERE driver = "ken wharton"
### Context: CREATE TABLE table_name_64 (rounds VARCHAR, driver VARCHAR) ### Question: How many rounds did Ken Wharton go? ### Answer: SELECT rounds FROM table_name_64 WHERE driver = "ken wharton"