CREATE TABLE table_57072 ("Rank" FLOAT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the sum of gold medals for the United States with silver medal count greater than 3?
SELECT SUM("Gold") FROM table_57072 WHERE "Nation" = 'united states' AND "Silver" > '3'
SELECT SUM("Gold") FROM "table_57072" WHERE "Nation" = 'united states' AND "Silver" > '3'