question: Was M4 a film whose director was employed by M0 and M1 , was employed by M2 , and founded M3
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded M3 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
  M4 a ns:film.film .
  M4 ns:film.film.directed_by ?x0
  }