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

### Instruction:
Namw the minimum production code for 16.04 million viewers

### Inputs:
table_name: table, columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production Code', 'U.S. viewers (millions)']

### Response:
SELECT MIN Production Code FROM table WHERE U.S. viewers (millions) = 16.04