question: Did M1 star a art director 's employer 's founder
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x2 a ns:film.film_art_director .
  M1 ns:film.film.starring/ns:film.performance.actor ?x0
  }