question: What did M1 produce , M0 write , a art director produce , and M2 edit
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies M1 .
  ?x0 ns:film.film.written_by M0 .
  ?x1 a ns:film.film_art_director
  }