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

### Instruction:
When was the locomotive named fighter command built?

### Inputs:
table_name: table, columns: ['BRNo.', 'SRNo.', 'Name', 'Builder', 'Whenbuilt', 'Withdrawn']

### Response:
SELECT Whenbuilt FROM table WHERE Name = fighter command