When has a surface of road and an event of half marathon?
CREATE TABLE table_name_63 (date VARCHAR, surface VARCHAR, event VARCHAR)
SELECT date FROM table_name_63 WHERE surface = "road" AND event = "half marathon"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_63 (date VARCHAR, surface VARCHAR, event VARCHAR) Question: When has a surface of road and an event of half marathon? [/INST] SELECT date FROM table_name_63 WHERE surface = "road" AND event = "half marathon" </s>