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

### Instruction:
When is the last episode air date for season 3?

### Inputs:
table_name: table, columns: ['Season', 'Episodes', 'First air date', 'Last air date', 'Timeslot', 'DVD Release']

### Response:
SELECT Last air date FROM table WHERE Season = 3