What is the sum of the golds of the nation with 5 total and less than 0 bronze medals?
CREATE TABLE "medal_table" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT SUM("gold") FROM "medal_table" WHERE "total"=5 AND "bronze"<0;