question: Did a actor that founded and was employed by M0 play M1 and M2 and play M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M1 .
  ?x0 ns:film.actor.film/ns:film.performance.character M2 .
  ?x0 ns:film.actor.film/ns:film.performance.character M3 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0
  }