question: Which writer of M0 and M1 was M2 's sequel 's writer and art director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film_art_director.films_art_directed ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x1 ns:film.film.prequel M2
  }