What was the date of the race that lasted 6 hours?
CREATE TABLE table_name_54 (date VARCHAR, length_duration VARCHAR)
SELECT date FROM table_name_54 WHERE length_duration = "6 hours"
### Context: CREATE TABLE table_name_54 (date VARCHAR, length_duration VARCHAR) ### Question: What was the date of the race that lasted 6 hours? ### Answer: SELECT date FROM table_name_54 WHERE length_duration = "6 hours"