question: Were M3 and M4 edited by and directed by a character that wrote and directed M1 and M2
query: SELECT count(*) WHERE {
  ?x0 a ns:fictional_universe.fictional_character .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.edited_by ?x0 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.edited_by ?x0
  }