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

### Instruction:
What is the production code for the episode that had 1.32 million U.S. viewers?

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

### Response:
SELECT Production code FROM table WHERE U.S. viewers (million) = 1.32