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

### Instruction:
where democratic coalition is eduardo frei ( pdc ) what are all the alliance

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

### Response:
SELECT Alliance FROM table WHERE Democratic Coalition = Eduardo Frei ( PDC )