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

### Instruction:
What year(s) was the race status piston?

### Inputs:
table_name: table, columns: ['Year', 'Car number', 'Start', 'Qual. speed', 'Speed rank', 'Finish', 'Laps completed', 'Laps led', 'Race status', 'Chassis']

### Response:
SELECT Year FROM table WHERE Race status = Piston