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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16072430_1 (air_date VARCHAR, weekly_rank VARCHAR) Question: What broadcast dates have a weekly rank of 73? [/INST] SELECT COUNT(air_date) FROM table_16072430_1 WHERE weekly_rank = "73" </s>