question: What screenwriter that executive produced M1 and M2 was M3 's art director and director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.film_art_director.films_art_directed M3 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2
  }