question: Were M1 , M3 , M4 , and M5 founded by M2 and founded by M0 's actor
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M0 .
  M1 ns:organization.organization.founders ?x0 .
  M1 ns:organization.organization.founders M2 .
  M3 ns:organization.organization.founders ?x0 .
  M3 ns:organization.organization.founders M2 .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders M2 .
  M5 ns:organization.organization.founders ?x0 .
  M5 ns:organization.organization.founders M2
  }