CREATE TABLE table_204_638 (id NUMBER, "year" NUMBER, "tournament" CLOB, "surface" CLOB, "round" CLOB, "winner" CLOB, "score" CLOB)

who won the last tourament ?
SELECT "winner" FROM table_204_638 ORDER BY "year" DESC LIMIT 1
SELECT "winner" FROM "table_204_638" ORDER BY "year" DESC FETCH FIRST 1 ROWS ONLY