question: Was M3 executive produced by a screenwriter , directed by M4 , and written by M2 's star 's Spanish sibling
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?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 ?x2 .
  ?x2 ns:film.actor.film/ns:film.performance.film M2 .
  FILTER ( ?x1 != ?x2 ) .
  M3 ns:film.film.directed_by M4 .
  M3 ns:film.film.executive_produced_by ?x0 .
  M3 ns:film.film.written_by ?x1
  }