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"
### Context: CREATE TABLE table_name_63 (date VARCHAR, surface VARCHAR, event VARCHAR) ### Question: When has a surface of road and an event of half marathon? ### Answer: SELECT date FROM table_name_63 WHERE surface = "road" AND event = "half marathon"