question: Were M3 and M6 distributed by M4 and M5 and produced by a female American person
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.09c7w0 .
  M3 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M4 .
  M3 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M5 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M6 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M4 .
  M6 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M5 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }