What was the highest amount of laps for class c1 and driver Derek Bell?
CREATE TABLE table_name_73 (laps INTEGER, class VARCHAR, driver VARCHAR)
SELECT MAX(laps) FROM table_name_73 WHERE class = "c1" AND driver = "derek bell"
### Context: CREATE TABLE table_name_73 (laps INTEGER, class VARCHAR, driver VARCHAR) ### Question: What was the highest amount of laps for class c1 and driver Derek Bell? ### Answer: SELECT MAX(laps) FROM table_name_73 WHERE class = "c1" AND driver = "derek bell"