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_16072430_1 (_number VARCHAR, weekly_rank VARCHAR, timeslot VARCHAR)
### Question:
How many episodes have a weekly rank tba and are broadcast at 8:00 p.m.?
### Answer:
SELECT COUNT(_number) FROM table_16072430_1 WHERE weekly_rank = "TBA" AND timeslot = "8:00 P.M."