question: Which film editor that M2 starred , M1 was written by , and M4 was directed by was a star of M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.writer.film M1
  }