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

### Instruction:
Which tournament has an opponent in the final of nadia petrova and a score of 6–3, 4–6, 6–1??

### Inputs:
table_name: table, columns: ['Date', 'Tournament', 'Surface', 'Opponent in the final', 'Score']

### Response:
SELECT Tournament FROM table WHERE Opponent in the final = nadia petrova AND Score = 6–3, 4–6, 6–1