question: Was a male Spanish film producer that wrote M1 , M2 , and M3 M4 's writer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?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:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.06mkj
  }