What is the minimum mundubbera when biggenden is 1882
CREATE TABLE "population" (
  "year" real,
  "total_region" real,
  "biggenden" real,
  "eidsvold" real,
  "gayndah" real,
  "monto" real,
  "mundubbera" real,
  "perry" real
);
SELECT MIN("mundubbera") FROM "population" WHERE "biggenden"=1882;