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_69 (circuit VARCHAR, length VARCHAR)
### Question:
On what circuit is there a race that lasts 2 hours?
### Answer:
SELECT circuit FROM table_name_69 WHERE length = "2 hours"