What is the McCune-Reischauer when the 2000 n South Korea population * is more than 6,796,227 people, and a Hangul of 송?
CREATE TABLE "list" (
  "hangul" text,
  "hanja" text,
  "revised" text,
  "mc_cune_reischauer" text,
  "2000_n_south_korea_population" real
);
SELECT "mc_cune_reischauer" FROM "list" WHERE "2000_n_south_korea_population">'6,796,227' AND "hangul"='송';