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_26293875_3 (season__number VARCHAR, prod_no VARCHAR)
### Question:
How many episodes had production number 2x13?
### Answer:
SELECT COUNT(season__number) FROM table_26293875_3 WHERE prod_no = "2x13"