CREATE TABLE table_203_630 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

what is the total number of medals between south korea , north korea , sweden , and brazil ?
SELECT SUM("total") FROM table_203_630 WHERE "nation" IN ('south korea', 'north korea', 'sweden', 'brazil')
SELECT SUM("total") FROM "table_203_630" WHERE "nation" IN ('south korea', 'north korea', 'sweden', 'brazil')