question: Was a employee of M0 's producer and distributor M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M0 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M0 .
  M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
  }