question: Was a film producer a production company that M2 and M3 were distributed by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 a ns:film.production_company .
  ?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M2 .
  ?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M3
  }