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

### Instruction:
How many viewers watched the episode with a story by david simon & mari kornhauser?

### Inputs:
table_name: table, columns: ['No.', '#', 'Title', 'Directed by', 'Story by', 'Teleplay by', 'Original air date', 'U.S. viewers (millions)']

### Response:
SELECT U.S. viewers (millions) FROM table WHERE Story by = David Simon & Mari Kornhauser