question: Was M3 written by M0 's art director and edited by a Spanish sibling of M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_art_director.films_art_directed M0 .
  ?x1 ns:people.person.nationality ns:m.06mkj .
  ?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings M1 .
  FILTER ( ?x1 != M1 ) .
  M3 ns:film.film.edited_by ?x1 .
  M3 ns:film.film.written_by ?x0
  }