question: Did a Spanish art director write M1 and write M2 , M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:film.writer.film M4 .
  ?x0 ns:film.writer.film M5 .
  ?x0 ns:people.person.nationality ns:m.06mkj
  }