question: Was M3 's executive producer , star , writer , art director , and cinematographer a film editor that M1 and M2 were edited by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.film_art_director.films_art_directed M3 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.writer.film M3
  }