Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_13403120_1 (writer_s_ VARCHAR, prodcode VARCHAR)
### Question:
who is the writer of the episode with prod.code 30-17
### Answer:
SELECT writer_s_ FROM table_13403120_1 WHERE prodcode = "30-17"