question: Was M4 's cinematographer a Spanish film editor that M2 starred and M3 starred
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:film.cinematographer.film M4 .
  ?x0 ns:people.person.nationality ns:m.06mkj
  }