What is the Hanja/Kanji of the Province with a Kana of ちゅうせいほくどう?
CREATE TABLE "provinces_under_japanese_colonial_rule" (
  "japanese_name" text,
  "kana" text,
  "hanja_kanji" text,
  "korean_name" text,
  "hangul" text
);
SELECT "hanja_kanji" FROM "provinces_under_japanese_colonial_rule" WHERE "kana"='ちゅうせいほくどう';