question: What film did M1 and M2 edit , M3 direct , and a star of M4 edit
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.edited_by ?x1 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x1 ns:film.actor.film/ns:film.performance.film M4
  }