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