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

### Instruction:
In what Week was Serena Williams 6–1, 6–7(7), 6–3 the Winner?

### Inputs:
table_name: table, columns: ['Tournament', 'Surface', 'Week', 'Winners', 'Finalists', 'Semifinalists']

### Response:
SELECT Week FROM table WHERE Winners = serena williams 6–1, 6–7(7), 6–3