Which Gold has a Nation of india, and a Bronze smaller than 0?
CREATE TABLE "invitational_sports" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT AVG("gold") FROM "invitational_sports" WHERE "nation"='india' AND "bronze"<0;