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_24 (circuit VARCHAR, date VARCHAR, length VARCHAR)
### Question:
Which circuit was held on May 7 for 1 hour?
### Answer:
SELECT circuit FROM table_name_24 WHERE date = "may 7" AND length = "1 hour"