CREATE TABLE table_204_595 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

what country won the most silver medals ?
SELECT "nation" FROM table_204_595 ORDER BY "silver" DESC LIMIT 1
SELECT "nation" FROM "table_204_595" ORDER BY "silver" DESC FETCH FIRST 1 ROWS ONLY