How many rounds did shirley van der lof go?
CREATE TABLE table_name_46 (rounds VARCHAR, driver VARCHAR)
SELECT rounds FROM table_name_46 WHERE driver = "shirley van der lof"
### Context: CREATE TABLE table_name_46 (rounds VARCHAR, driver VARCHAR) ### Question: How many rounds did shirley van der lof go? ### Answer: SELECT rounds FROM table_name_46 WHERE driver = "shirley van der lof"