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_name_37 (series VARCHAR, production_number VARCHAR)
### Question:
What is the Series of the Filmography with a Production Number of M-4-15?
### Answer:
SELECT series FROM table_name_37 WHERE production_number = "m-4-15"