CREATE TABLE table_203_497 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

which nation has earned the least amount of gold medals ?
SELECT "nation" FROM table_203_497 ORDER BY "gold" LIMIT 1
SELECT "nation" FROM "table_203_497" ORDER BY "gold" FETCH FIRST 1 ROWS ONLY