Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_21 (sport VARCHAR, event VARCHAR)
### Question:
Which Sport had an Event of men's 400 m hurdles?
### Answer:
SELECT sport FROM table_name_21 WHERE event = "men's 400 m hurdles"