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

### Instruction:
Which Authority has a Gender of coed, a Decile smaller than 6, and an Area of merivale?

### Inputs:
table_name: table, columns: ['Name', 'Gender', 'Area', 'Authority', 'Decile']

### Response:
SELECT Authority FROM table WHERE Gender = coed AND Decile < 6 AND Area = merivale