question: Was a film distributor whose employee directed M1 , directed M2 , and produced M0 M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M0 .
  M3 a ns:film.film_distributor .
  M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
  }