On what dates were episodes written by Robert Carlock aired?
CREATE TABLE table_14889988_1 (original_air_date VARCHAR, written_by VARCHAR)
SELECT original_air_date FROM table_14889988_1 WHERE written_by = "Robert Carlock"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_14889988_1 (original_air_date VARCHAR, written_by VARCHAR) Question: On what dates were episodes written by Robert Carlock aired? [/INST] SELECT original_air_date FROM table_14889988_1 WHERE written_by = "Robert Carlock" </s>