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_27911342_1 (season__number VARCHAR, written_by VARCHAR)
### Question:
What is the season number of the show written by both Kari Lizer and Jeff Astrof?
### Answer:
SELECT COUNT(season__number) FROM table_27911342_1 WHERE written_by = "Kari Lizer"