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

### Instruction:
What set 2 has a set 4 of 21-25?

### Inputs:
table_name: table, columns: ['Date', 'Score', 'Set 1', 'Set 2', 'Set 3', 'Set 4', 'Set 5', 'Total']

### Response:
SELECT Set 2 FROM table WHERE Set 4 = 21-25