question: Were M1 , M2 , M3 , and M4 written and edited by a character 's actor
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
  ?x1 a ns:fictional_universe.fictional_character .
  M1 ns:film.film.edited_by ?x0 .
  M1 ns:film.film.written_by ?x0 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.written_by ?x0 .
  M3 ns:film.film.edited_by ?x0 .
  M3 ns:film.film.written_by ?x0 .
  M4 ns:film.film.edited_by ?x0 .
  M4 ns:film.film.written_by ?x0
  }