question: Was M3 distributed by a cinematographer , produced by M1 's employer , and produced by a person
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  ?x2 a ns:people.person .
  M3 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x0 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x2
  }