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_2226817_12 (original_air_date VARCHAR, production_code VARCHAR)
### Question:
when was the episode premiere if the production code is 11.19? 
### Answer:
SELECT COUNT(original_air_date) FROM table_2226817_12 WHERE production_code = "11.19"