Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_23937219_3 (original_air_date VARCHAR, prod_code VARCHAR)
### Question:
How many original air dates were there for the episode with production code 212?
### Answer:
SELECT COUNT(original_air_date) FROM table_23937219_3 WHERE prod_code = 212