CREATE TABLE table_204_107 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

number of gold medals earned by the netherlands and italy
SELECT SUM("gold") FROM table_204_107 WHERE "nation" IN ('netherlands', 'italy')
SELECT SUM("gold") FROM "table_204_107" WHERE "nation" IN ('netherlands', 'italy')