CREATE TABLE table_204_595 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

how many nations won more than one silver medal ?
SELECT COUNT("nation") FROM table_204_595 WHERE "silver" > 1
SELECT COUNT("nation") FROM "table_204_595" WHERE "silver" > 1