question: Which film that M5 and M6 distributed was edited by M7 and starred M1 , M2 , M3 , and M4
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M5 .
  ?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M6 .
  ?x0 ns:film.film.edited_by M7 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M1 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M2 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M3 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M4
  }