How many original air dates were there for episode 22?
CREATE TABLE table_24798489_2 (original_airdate VARCHAR, episode_number VARCHAR)
SELECT COUNT(original_airdate) FROM table_24798489_2 WHERE episode_number = 22
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_24798489_2 (original_airdate VARCHAR, episode_number VARCHAR) Question: How many original air dates were there for episode 22? [/INST] SELECT COUNT(original_airdate) FROM table_24798489_2 WHERE episode_number = 22 </s>