How many original airdates did season 20 have?
CREATE TABLE table_22181917_2 (original_air_date VARCHAR, season__number VARCHAR)
SELECT COUNT(original_air_date) FROM table_22181917_2 WHERE season__number = 20
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22181917_2 (original_air_date VARCHAR, season__number VARCHAR) Question: How many original airdates did season 20 have? [/INST] SELECT COUNT(original_air_date) FROM table_22181917_2 WHERE season__number = 20 </s>