CREATE TABLE table_204_177 (id NUMBER, "player" CLOB, "years played" CLOB, "total w-l" CLOB, "singles w-l" CLOB, "doubles w-l" CLOB)

who had a better singles record , boo kil or seung bok ?
SELECT "player" FROM table_204_177 WHERE "player" IN ('choi boo-kil', 'baek seung-bok') ORDER BY "singles w-l" DESC LIMIT 1
SELECT "player" FROM "table_204_177" WHERE "player" IN ('choi boo-kil', 'baek seung-bok') ORDER BY "singles w-l" DESC FETCH FIRST 1 ROWS ONLY