question: What film whose star and director was employed by M4 , M5 , and M6 did M1 , M2 , and M3 distribute
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M1 .
  ?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M2 .
  ?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M3 .
  ?x0 ns:film.film.starring/ns:film.performance.actor ?x1 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M5 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M6
  }