How many episodes aired on 22january2009
CREATE TABLE table_17641206_8 (
    episode VARCHAR,
    original_airdate VARCHAR
)
SELECT COUNT(episode) FROM table_17641206_8 WHERE original_airdate = "22January2009"
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 aired on 22january2009 ### Input: CREATE TABLE table_17641206_8 (
    episode VARCHAR,
    original_airdate VARCHAR
) ### Response: SELECT COUNT(episode) FROM table_17641206_8 WHERE original_airdate = "22January2009"