When 4.5 is the rating (18-49) what is the air date?
CREATE TABLE table_28980706_4 (first_air_date VARCHAR, rating__18_49_ VARCHAR)
SELECT first_air_date FROM table_28980706_4 WHERE rating__18_49_ = "4.5"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28980706_4 (first_air_date VARCHAR, rating__18_49_ VARCHAR) Question: When 4.5 is the rating (18-49) what is the air date? [/INST] SELECT first_air_date FROM table_28980706_4 WHERE rating__18_49_ = "4.5" </s>