Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What was the highest amount of laps when the class was v8 and the entrant was diet-coke racing?

### Inputs:
table_name: table, columns: ['Pos.', 'Class', 'Entrant', 'Drivers', 'Laps']

### Response:
SELECT MAX Laps FROM table WHERE Class = v8 AND Entrant = diet-coke racing