question: Was M1 directed by M5 , M6 , and M7 , edited by M2 , M3 , and M4 , and produced by a art director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_art_director .
  M1 ns:film.film.directed_by M5 .
  M1 ns:film.film.directed_by M6 .
  M1 ns:film.film.directed_by M7 .
  M1 ns:film.film.edited_by M2 .
  M1 ns:film.film.edited_by M3 .
  M1 ns:film.film.edited_by M4 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }