What is the highest number of laps with a 21 start?
CREATE TABLE table_name_42 (laps INTEGER, start VARCHAR)
SELECT MAX(laps) FROM table_name_42 WHERE start = "21"
### Context: CREATE TABLE table_name_42 (laps INTEGER, start VARCHAR) ### Question: What is the highest number of laps with a 21 start? ### Answer: SELECT MAX(laps) FROM table_name_42 WHERE start = "21"