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_11951237_2 (musical_guest_and_song VARCHAR, production_code VARCHAR)
### Question:
How many musical guests and songs were in episodes with a production code k0519?
### Answer:
SELECT COUNT(musical_guest_and_song) FROM table_11951237_2 WHERE production_code = "K0519"