question: Did M3 star a Spanish male film producer , star M4 and M5 , and star M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.06mkj .
  M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M3 ns:film.film.starring/ns:film.performance.actor M4 .
  M3 ns:film.film.starring/ns:film.performance.actor M5 .
  M3 ns:film.film.starring/ns:film.performance.actor M6
  }