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

### Instruction:
what's the total number of episodes with a US air date of january 15, 2005?

### Inputs:
table_name: table, columns: ['Number in series', 'Broadcast Order', 'Title', 'Villain/s', 'U.S. Air Date', 'Production Code']

### Response:
SELECT COUNT Production Code FROM table WHERE U.S. Air Date = January 15, 2005