Table: radio_stations_35
Columns: call_sign
frequency_mhz
city_of_license
erp_w
class
fcc_info

Question: what is the city of license for the station with the frequency mhz less than 102.3 abd erp w of 25?
SQL: SELECT "city_of_license" FROM radio_stations_35 WHERE "frequency_mhz" < 102.3 AND "erp_w" = 25

Question: \What is the class of the station with the call sign w254ah?
SQL: SELECT "class" FROM radio_stations_35 WHERE "call_sign" = 'w254ah'

Question: what is the class of the station with erp w more than 30?
SQL: SELECT "class" FROM radio_stations_35 WHERE "erp_w" > 30

Question: what is the highest frequency mhz with the call sign w292cu?
SQL: SELECT MAX("frequency_mhz") FROM radio_stations_35 WHERE "call_sign" = 'w292cu'