What is the modern equivalent of 良州 in Hanja?
CREATE TABLE "provinces_of_unified_silla" (
  "former_kingdom" text,
  "province" text,
  "hangul" text,
  "hanja" text,
  "capital" text,
  "modern_equivalent" text
);
SELECT "modern_equivalent" FROM "provinces_of_unified_silla" WHERE "hanja"='良州';