Where is the Holy Cross of Davao College campus located?
CREATE TABLE "on_campus_arenas" (
  "arena_venue" text,
  "home_campus" text,
  "location" text,
  "province_region" text,
  "maximum_seating_capacity" text,
  "year_opened" text
);
SELECT "province_region" FROM "on_campus_arenas" WHERE "home_campus"='holy cross of davao college';