Who wrote the episode with production code 2acx12?
CREATE TABLE table_28210383_1 (written_by VARCHAR, prod_code VARCHAR)
SELECT written_by FROM table_28210383_1 WHERE prod_code = "2ACX12"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28210383_1 (written_by VARCHAR, prod_code VARCHAR) Question: Who wrote the episode with production code 2acx12? [/INST] SELECT written_by FROM table_28210383_1 WHERE prod_code = "2ACX12" </s>