Who were the authors  of episode having production code 3t7573?
CREATE TABLE table_18274425_1 (written_by VARCHAR, production_code VARCHAR)
SELECT written_by FROM table_18274425_1 WHERE production_code = "3T7573"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18274425_1 (written_by VARCHAR, production_code VARCHAR) Question: Who were the authors  of episode having production code 3t7573? [/INST] SELECT written_by FROM table_18274425_1 WHERE production_code = "3T7573" </s>