Which country did the Director(s) of kota nagaoka come from and win ¥300,000?
CREATE TABLE "2004_2005" (
  "rank" text,
  "film" text,
  "director_s" text,
  "country" text,
  "prize" text
);
SELECT "country" FROM "2004_2005" WHERE "prize"='¥300,000' AND "director_s"='kota nagaoka';