Which date was a rest day?
CREATE TABLE table_name_81 (
    date VARCHAR,
    course VARCHAR
)
SELECT date FROM table_name_81 WHERE course = "rest day"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which date was a rest day? ### Input: CREATE TABLE table_name_81 (
    date VARCHAR,
    course VARCHAR
) ### Response: SELECT date FROM table_name_81 WHERE course = "rest day"