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

### Instruction:
What number episode had 5.74 million viewers?

### Inputs:
table_name: table, columns: ['Episode #', 'Series #', 'Title', 'Director', 'Writer', 'Original airdate', 'Viewers (in millions)']

### Response:
SELECT Episode # FROM table WHERE Viewers (in millions) = 5.74