Who wrote the episode with production code 5?
CREATE TABLE table_25679312_2 (written_by VARCHAR, prod_code VARCHAR)
SELECT written_by FROM table_25679312_2 WHERE prod_code = 5
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25679312_2 (written_by VARCHAR, prod_code VARCHAR) Question: Who wrote the episode with production code 5? [/INST] SELECT written_by FROM table_25679312_2 WHERE prod_code = 5 </s>