What frequency has call sign w228bg?
CREATE TABLE table_name_45 (frequency_mhz VARCHAR, call_sign VARCHAR)
SELECT frequency_mhz FROM table_name_45 WHERE call_sign = "w228bg"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_45 (frequency_mhz VARCHAR, call_sign VARCHAR) Question: What frequency has call sign w228bg? [/INST] SELECT frequency_mhz FROM table_name_45 WHERE call_sign = "w228bg" </s>