What broadcast dates have a weekly rank of 73?
CREATE TABLE table_16072430_1 (air_date VARCHAR, weekly_rank VARCHAR)
SELECT COUNT(air_date) FROM table_16072430_1 WHERE weekly_rank = "73"
### Context: CREATE TABLE table_16072430_1 (air_date VARCHAR, weekly_rank VARCHAR) ### Question: What broadcast dates have a weekly rank of 73? ### Answer: SELECT COUNT(air_date) FROM table_16072430_1 WHERE weekly_rank = "73"