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_31 (tournament VARCHAR, extra VARCHAR)
### Question:
In what tournament was there an extra of 400 m hurdles?
### Answer:
SELECT tournament FROM table_name_31 WHERE extra = "400 m hurdles"