who is the writer of the episode with prod.code 30-17
CREATE TABLE table_13403120_1 (writer_s_ VARCHAR, prodcode VARCHAR)
SELECT writer_s_ FROM table_13403120_1 WHERE prodcode = "30-17"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_13403120_1 (writer_s_ VARCHAR, prodcode VARCHAR) Question: who is the writer of the episode with prod.code 30-17 [/INST] SELECT writer_s_ FROM table_13403120_1 WHERE prodcode = "30-17" </s>