question: Was a film edited by M1 , M2 , and M3 , edited by a art director of M5 , and directed by M4
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by M4 .
  ?x0 ns:film.film.edited_by ?x1 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.edited_by M3 .
  ?x1 ns:film.film_art_director.films_art_directed M5
  }