question: Was M2 edited by M1 's director and writer , edited by a cinematographer , and edited by M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x1 ns:film.director.film M1 .
  ?x1 ns:film.writer.film M1 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.edited_by ?x1 .
  M2 ns:film.film.edited_by M3
  }