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_20971444_3 (rank__timeslot_ VARCHAR, share__18_49_ VARCHAR)
### Question:
Name the rank timeslot for 18-49 share being 13
### Answer:
SELECT COUNT(rank__timeslot_) FROM table_20971444_3 WHERE share__18_49_ = 13