question: Was M0 a Spanish Mexican male director of M4
query: SELECT count(*) WHERE {
  M0 ns:film.director.film M4 .
  M0 ns:people.person.gender ns:m.05zppz .
  M0 ns:people.person.nationality ns:m.06mkj .
  M0 ns:people.person.nationality ns:m.0b90_r
  }