question: What was executive produced by a Spanish art director that M1 was executive produced by
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x1 a ns:film.film_art_director .
  ?x1 ns:film.producer.films_executive_produced M1 .
  ?x1 ns:people.person.nationality ns:m.06mkj
  }