CREATE TABLE table_204_3 (id NUMBER, "rank" NUMBER, "name" CLOB, "nationality" CLOB, "time" NUMBER)

how long did the last place swimmer take to swim the 100 meter butterfly ?
SELECT "time" FROM table_204_3 ORDER BY "rank" DESC LIMIT 1
SELECT "time" FROM "table_204_3" ORDER BY "rank" DESC FETCH FIRST 1 ROWS ONLY