How big (in sq mi)  is the island that's 4065 km2?
CREATE TABLE "islands_over_square_miles_km" (
  "rank" real,
  "islands_name" text,
  "area_sqmi" real,
  "area_km_2" real,
  "location" text,
  "population_2000" text
);
SELECT "area_sqmi" FROM "islands_over_square_miles_km" WHERE "area_km_2"=4065;