question: Which male person was M1 's art director and executive producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.film_art_director.films_art_directed M1 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:people.person.gender ns:m.05zppz
  }