Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"