question: Were M2 , M3 , M4 , M5 , and M6 founded by a person and founded by a actor
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x1 a ns:film.actor .
  M2 ns:organization.organization.founders ?x0 .
  M2 ns:organization.organization.founders ?x1 .
  M3 ns:organization.organization.founders ?x0 .
  M3 ns:organization.organization.founders ?x1 .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders ?x1 .
  M5 ns:organization.organization.founders ?x0 .
  M5 ns:organization.organization.founders ?x1 .
  M6 ns:organization.organization.founders ?x0 .
  M6 ns:organization.organization.founders ?x1
  }