question: Was a Mexican cinematographer of M2 , M3 , M4 , and M5 a film editor
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.cinematographer.film M2 .
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.cinematographer.film M4 .
  ?x0 ns:film.cinematographer.film M5 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }