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

### Instruction:
who is the writer of the episode with prod.code 30-17

### Inputs:
table_name: table, columns: ['#', 'Title', 'Director', 'Writer(s)', 'Originalairdate', 'Repeatairdate(s)', 'Prod.Code']

### Response:
SELECT Writer(s) FROM table WHERE Prod.Code = 30-17