question: Who was M1 's art director , star , and director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.actor.film/ns:film.performance.film M1 .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.film_art_director.films_art_directed M1
  }