CREATE TABLE "full_power_stations" (
  "station" text,
  "city_of_license" text,
  "channels" text,
  "first_air_date" text,
  "call_letters_meaning" text,
  "haat" text,
  "facility_id" real
);

Question: what is the HAAT of devils lake
SQL: SELECT "haat" FROM "full_power_stations" WHERE "city_of_license"='devils lake';