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

### Instruction:
The tournament Buick Classic occured on what dates?

### Inputs:
table_name: table, columns: ['No.', 'Date', 'Tournament', 'Winning score', 'To par', 'Margin of victory', 'Runner-up']

### Response:
SELECT Date FROM table WHERE Tournament = Buick Classic