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

### Instruction:
Which is the highest Season with a Percentage of 67% and Alberto Ascari as a Driver?

### Inputs:
table_name: table, columns: ['Driver', 'Season', 'Races', 'Poles', 'Percentage']

### Response:
SELECT MAX Season FROM table WHERE Percentage = 67% AND Driver = alberto ascari