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

### Instruction:
What is the democratic coalation when together we can do more is sergio castro ( pc )?

### Inputs:
table_name: table, columns: ['Dist.', 'Democratic Coalition', 'Alliance', 'Together We Can Do More', 'Independent Regional Force', 'Independents']

### Response:
SELECT Democratic Coalition FROM table WHERE Together We Can Do More = Sergio Castro ( PC )