Table: radio_stations_11
Columns: call_sign
frequency_mhz
city_of_license
erp_w
class
fcc_info

Question: What is City of License, when Frequency MHz is less than 102.5?
SQL: SELECT "city_of_license" FROM radio_stations_11 WHERE "frequency_mhz" < 102.5

Question: What is Call Sign, when ERP W is greater than 50?
SQL: SELECT "call_sign" FROM radio_stations_11 WHERE "erp_w" > 50

Question: What is City of License, when ERP W is greater than 3, and when Call Sign is K218DZ?
SQL: SELECT "city_of_license" FROM radio_stations_11 WHERE "erp_w" > 3 AND "call_sign" = 'k218dz'

Question: What is Call Sign, when City of License is Brownfield, Texas?
SQL: SELECT "call_sign" FROM radio_stations_11 WHERE "city_of_license" = 'brownfield, texas'

Question: What is the Sum of ERP W, when Call Sign is K216GA?
SQL: SELECT SUM("erp_w") FROM radio_stations_11 WHERE "call_sign" = 'k216ga'