question: Was M2 edited by M4 , directed by a director of M0 and M1 , and written by M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M0 .
  ?x0 ns:film.director.film M1 .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.edited_by M4 .
  M2 ns:film.film.written_by M3
  }