question: Did M1 star M2 and star M0 's employer 's employee and founder
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
  M1 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M1 ns:film.film.starring/ns:film.performance.actor M2
  }