how many times is gold more than 0 and the rank less than 2?
CREATE TABLE "medal_count_by_country" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT COUNT("silver") FROM "medal_count_by_country" WHERE "gold">0 AND "rank"<2;