Where is the place that has a Callsign of DWRJ-FM?
CREATE TABLE "rjfm_stations" (
  "branding" text,
  "callsign" text,
  "frequency" text,
  "power_k_w" text,
  "station_type" text,
  "location" text
);
SELECT "location" FROM "rjfm_stations" WHERE "callsign"='dwrj-fm';