CREATE TABLE table_204_297 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

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")