question: What did a art director executive produce and M0 , M1 , M2 , M3 , M4 , and M5 direct
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by M0 .
  ?x0 ns:film.film.directed_by M1 .
  ?x0 ns:film.film.directed_by M2 .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.directed_by M4 .
  ?x0 ns:film.film.directed_by M5 .
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x1 a ns:film.film_art_director
  }