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

### Instruction:
What is the production number of 3-04?

### Inputs:
table_name: table, columns: ['Episode No.', 'Prod No.', 'Title', 'Directed by', 'Written by', 'Original airdate UK']

### Response:
SELECT MAX Prod No. FROM table WHERE Episode No. = 3-04