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

### Instruction:
What network garnered 2.74 million viewers for Supernatural?

### Inputs:
table_name: table, columns: ['Season', 'Network', 'Timeslot', 'Season premiere', 'Season finale', 'TV season', 'Rank Rank denotes the relative position of the television series with respect to other prime time shows on the CW, FOX, NBC, CBS, and ABC.', 'Viewers in millions', 'Rating Rating is the percentage of all households tuned into the program.']

### Response:
SELECT Network FROM table WHERE Viewers in millions = 2.74