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

### Instruction:
Who led sprints classification when Chris Horner led general classification?

### Inputs:
table_name: table, columns: ['Stage', 'Winner', 'General classification', 'Points Classification', 'Mountains Classification', 'Sprints Classification', 'Team Classification']

### Response:
SELECT Sprints Classification FROM table WHERE General classification = Chris Horner