How many Gold medals did Japan receive who had a Total of more than 1 medals?
CREATE TABLE "medal_table_unofficial" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT SUM("gold") FROM "medal_table_unofficial" WHERE "nation"='japan' AND "total">1;