What is the population for the region with an area of 6,004 sq. Mi.?
CREATE TABLE "administrative_divisions" (
  "region" text,
  "capital" text,
  "area_km" text,
  "area_sq_mi" text,
  "population" text,
  "gdp_bn" text
);
SELECT "population" FROM "administrative_divisions" WHERE "area_sq_mi"='6,004';