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

### Instruction:
When was the callback audition date for the audition city from the episode aired on February 2, 2011?

### Inputs:
table_name: table, columns: ['Episode air date', 'Audition city', 'First audition date', 'Audition venue', 'Callback audition date', 'Callback venue', 'Golden tickets']

### Response:
SELECT Callback audition date FROM table WHERE Episode air date = February 2, 2011