question: Was a film producer a screenwriter that M2 and M3 were executive produced by , written by , directed by , and edited by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 a ns:film.writer .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3
  }