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