CREATE TABLE table_204_297 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

which team -lrb- s -rrb- have the least amount of silver medals ?
SELECT "nation" FROM table_204_297 WHERE "silver" = (SELECT MIN("silver") FROM table_204_297)
SELECT "nation" FROM "table_204_297" WHERE "silver" = (SELECT MIN("silver") FROM "table_204_297")