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

### Instruction:
Who was the Opponent partnering with Jordan Kerr, on a hard surface that was the winner?

### Inputs:
table_name: table, columns: ['Outcome', 'Date', 'Surface', 'Partnering', 'Opponent', 'Score']

### Response:
SELECT Opponent FROM table WHERE Surface = hard AND Outcome = winner AND Partnering = jordan kerr