question: Were M3 and M4 executive produced and directed by a male Mexican cinematographer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.0b90_r .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.executive_produced_by ?x0 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.executive_produced_by ?x0
  }