what is the gold when silver is 1, event is 2000 summer paralympics and bronze is more than 3?
CREATE TABLE "summer_paralympics" (
  "event" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT AVG("gold") FROM "summer_paralympics" WHERE "silver"=1 AND "event"='2000 summer paralympics' AND "bronze">3;