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

### Instruction:
Which series # had 0.852 U.S. viewers(millions)?

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

### Response:
SELECT MAX Series # FROM table WHERE U.S. viewers (millions) = 0.852