question: Which film was directed by M1 , M2 , and M3 and starred a film editor
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by M1 .
  ?x0 ns:film.film.directed_by M2 .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.starring/ns:film.performance.actor ?x1 .
  ?x1 a ns:film.editor
  }