What was the highest amount of laps for class c1 and driver Derek Bell?
CREATE TABLE table_43685 (
    "Class" text,
    "Team" text,
    "Driver" text,
    "Chassis \u2013 Engine" text,
    "Laps" real
)
SELECT MAX("Laps") FROM table_43685 WHERE "Class" = 'c1' AND "Driver" = 'derek bell'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What was the highest amount of laps for class c1 and driver Derek Bell? ### Input: CREATE TABLE table_43685 (
    "Class" text,
    "Team" text,
    "Driver" text,
    "Chassis \u2013 Engine" text,
    "Laps" real
) ### Response: SELECT MAX("Laps") FROM table_43685 WHERE "Class" = 'c1' AND "Driver" = 'derek bell'