CREATE TABLE table_40903 ("Rank" FLOAT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the rank where the gold is 0?
SELECT AVG("Rank") FROM table_40903 WHERE "Gold" < '0'
SELECT AVG("Rank") FROM "table_40903" WHERE "Gold" < '0'