How many episodes had their first air date on March 6, 2008?
CREATE TABLE table_11220799_2 (
    episode_titles VARCHAR,
    first_air_date VARCHAR
)
SELECT COUNT(episode_titles) FROM table_11220799_2 WHERE first_air_date = "March 6, 2008"
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: How many episodes had their first air date on March 6, 2008? ### Input: CREATE TABLE table_11220799_2 (
    episode_titles VARCHAR,
    first_air_date VARCHAR
) ### Response: SELECT COUNT(episode_titles) FROM table_11220799_2 WHERE first_air_date = "March 6, 2008"