Which state or territory had a channel number of exactly 7?
CREATE TABLE "table_of_network_o_os_that_aired_nta_pro" (
  "city" text,
  "state_or_territory" text,
  "station_call_sign" text,
  "network" text,
  "channel_number" real,
  "programs_aired" text
);
SELECT "state_or_territory" FROM "table_of_network_o_os_that_aired_nta_pro" WHERE "channel_number"=7;