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

### Instruction:
What episode number in the season had 1.05 million U.S. viewers?

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

### Response:
SELECT MAX Episode No. FROM table WHERE U.S. viewers (millions) = 1.05