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