question: Were M4 and M5 founded by a male actor of M0 and founded by a American star of M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M0 .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x1 ns:film.actor.film/ns:film.performance.film M3 .
  ?x1 ns:people.person.nationality ns:m.09c7w0 .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders ?x1 .
  M5 ns:organization.organization.founders ?x0 .
  M5 ns:organization.organization.founders ?x1
  }