question: Was a Spanish art director that M1 was executive produced and edited by a director of M3 , M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:people.person.nationality ns:m.06mkj
  }