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

### Instruction:
What season had 2.52 million viewers?

### 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 TV season FROM table WHERE Viewers in millions = 2.52