CREATE TABLE table_203_314 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

name the countries with the least amount if silver medals ?
SELECT "nation" FROM table_203_314 WHERE "silver" = (SELECT MIN("silver") FROM table_203_314)
SELECT "nation" FROM "table_203_314" WHERE "silver" = (SELECT MIN("silver") FROM "table_203_314")