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

### Instruction:
how many production codes were there for the episode that was 32 in the series?

### Inputs:
table_name: table, columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original U.S. air date', 'Prod. code', 'Viewers (millions)']

### Response:
SELECT COUNT Prod. code FROM table WHERE No. in series = 32