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

### Instruction:
What were the highest laps for glenn seton gregg hansford?

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

### Response:
SELECT MAX Laps FROM table WHERE Drivers = glenn seton gregg hansford