If the UK air date is February 18, 2013, who was the episode written by?
CREATE TABLE table_25640730_7 (written_by VARCHAR, uk_air_date VARCHAR)
SELECT written_by FROM table_25640730_7 WHERE uk_air_date = "February 18, 2013"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25640730_7 (written_by VARCHAR, uk_air_date VARCHAR) Question: If the UK air date is February 18, 2013, who was the episode written by? [/INST] SELECT written_by FROM table_25640730_7 WHERE uk_air_date = "February 18, 2013" </s>