question: What film that was edited by and written by M1 did a art director direct
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.written_by M1 .
  ?x1 a ns:film.film_art_director
  }