Name the number air date for 14.20 us viewers
CREATE TABLE table_16617011_1 (
    original_air_date VARCHAR,
    us_viewers__millions_ VARCHAR
)
SELECT COUNT(original_air_date) FROM table_16617011_1 WHERE us_viewers__millions_ = "14.20"
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: Name the number air date for 14.20 us viewers ### Input: CREATE TABLE table_16617011_1 (
    original_air_date VARCHAR,
    us_viewers__millions_ VARCHAR
) ### Response: SELECT COUNT(original_air_date) FROM table_16617011_1 WHERE us_viewers__millions_ = "14.20"