CREATE TABLE table_201_39 (id NUMBER, "no" NUMBER, "title" CLOB, "directed by" CLOB, "released" NUMBER)

which person has directed most of the titles ?
SELECT "directed by" FROM table_201_39 GROUP BY "directed by" ORDER BY COUNT("title") DESC LIMIT 1
SELECT "directed by" FROM "table_201_39" GROUP BY "directed by" ORDER BY COUNT("title") DESC FETCH FIRST 1 ROWS ONLY