question: Were M2 and M4 edited by a art director , executive produced by M3 , and written by a film 's executive producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x1 a ns:film.film .
  ?x2 a ns:film.film_art_director .
  M2 ns:film.film.edited_by ?x2 .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.written_by ?x0 .
  M4 ns:film.film.edited_by ?x2 .
  M4 ns:film.film.executive_produced_by M3 .
  M4 ns:film.film.written_by ?x0
  }