When did the episode air that had 7.3 viewers?
CREATE TABLE table_name_65 (
    air_date VARCHAR,
    viewers VARCHAR
)
SELECT air_date FROM table_name_65 WHERE viewers = 7.3
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: When did the episode air that had 7.3 viewers? ### Input: CREATE TABLE table_name_65 (
    air_date VARCHAR,
    viewers VARCHAR
) ### Response: SELECT air_date FROM table_name_65 WHERE viewers = 7.3