What date did the show air when Rhod Gilbert was the headliner?
CREATE TABLE table_23122988_1 (
    airdate VARCHAR,
    headliner VARCHAR
)
SELECT airdate FROM table_23122988_1 WHERE headliner = "Rhod Gilbert"
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: What date did the show air when Rhod Gilbert was the headliner? ### Input: CREATE TABLE table_23122988_1 (
    airdate VARCHAR,
    headliner VARCHAR
) ### Response: SELECT airdate FROM table_23122988_1 WHERE headliner = "Rhod Gilbert"