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

### Instruction:
Which Tournament has a Surface of hard, and a Date of 24 september 2011?

### Inputs:
table_name: table, columns: ['Date', 'Tournament', 'Surface', 'Partnering', 'Opponents', 'Score']

### Response:
SELECT Tournament FROM table WHERE Surface = hard AND Date = 24 september 2011