How much Total has a Nation of kazakhstan (kaz), and a Gold larger than 0?
CREATE TABLE "medal_table" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT COUNT("total") FROM "medal_table" WHERE "nation"='kazakhstan (kaz)' AND "gold">0;