What is the Branding of the Metro Manila Frequency with a Callsign of DWBL?
CREATE TABLE "fbs_radio_stations" (
  "branding" text,
  "callsign" text,
  "frequency" text,
  "power" text,
  "location" text
);
SELECT "branding" FROM "fbs_radio_stations" WHERE "location"='metro manila' AND "callsign"='dwbl';