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

### Instruction:
What is the product code for the episode titled "Kafelnikov"?

### Inputs:
table_name: table, columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Prod. Code']

### Response:
SELECT Prod. Code FROM table WHERE Title = "Kafelnikov"