What is the lowest number of Gold the Nation of Italy had when it ranked other than 1, and had more than 0 Silver?
CREATE TABLE "medal_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("gold") FROM "medal_table" WHERE "rank">1 AND "nation"='italy' AND "silver">0;