question: Was a editor , executive producer , and cinematographer of M0 's sequel a film editor
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film ?x1 .
  ?x0 ns:film.editor.film ?x1 .
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x1 ns:film.film.prequel M0
  }