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

### Instruction:
What day was there a set 1 of 25-18?

### Inputs:
table_name: table, columns: ['Game', 'Date', 'Set 1', 'Set 2', 'Set 3', 'Set 4', 'Set 5', 'Result (sets)', 'Result (Pts)']

### Response:
SELECT Date FROM table WHERE Set 1 = 25-18