Table: radio_iq_stations
Columns: call_sign
frequency_mhz
city_of_license
erp_w
class
fcc_info

Question: Which city of license has a wriq Call sign?
SQL: SELECT "city_of_license" FROM radio_iq_stations WHERE "call_sign" = 'wriq'

Question: What is the total of Frequency MHz with a Class of b1?
SQL: SELECT SUM("frequency_mhz") FROM radio_iq_stations WHERE "class" = 'b1'

Question: Which ERP W has a Class of A, and a Call sign of wffc?
SQL: SELECT "erp_w" FROM radio_iq_stations WHERE "class" = 'a' AND "call_sign" = 'wffc'

Question: Which class City of license of ferrum, virginia?
SQL: SELECT "class" FROM radio_iq_stations WHERE "city_of_license" = 'ferrum, virginia'

Question: Which call sign has a Class of A, and a Frequency MHz of 88.7?
SQL: SELECT "call_sign" FROM radio_iq_stations WHERE "class" = 'a' AND "frequency_mhz" = 88.7