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_13 (laps INTEGER, class VARCHAR, entrant VARCHAR)
### Question:
What was the highest amount of laps when the class was v8 and the entrant was diet-coke racing?
### Answer:
SELECT MAX(laps) FROM table_name_13 WHERE class = "v8" AND entrant = "diet-coke racing"