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

### Instruction:
How many season had Melgar as a champion?

### Inputs:
table_name: table, columns: ['Season', 'Champion', 'Count', 'Runners-up', 'Third place', 'Top scorer', 'Top scorers club', 'Goals']

### Response:
SELECT COUNT Season FROM table WHERE Champion = Melgar