What date was a brig type ship located in SW Approaches?
CREATE TABLE table_name_30 (date VARCHAR, ship_type VARCHAR, location VARCHAR)
SELECT date FROM table_name_30 WHERE ship_type = "brig" AND location = "sw approaches"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_30 (date VARCHAR, ship_type VARCHAR, location VARCHAR) Question: What date was a brig type ship located in SW Approaches? [/INST] SELECT date FROM table_name_30 WHERE ship_type = "brig" AND location = "sw approaches" </s>