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"
### Context: CREATE TABLE table_name_45 (frequency_mhz VARCHAR, call_sign VARCHAR) ### Question: What frequency has call sign w228bg? ### Answer: SELECT frequency_mhz FROM table_name_45 WHERE call_sign = "w228bg"