question: What American founder of M0 , M1 , M2 , and M3 directed M5 and directed M6
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:organization.organization_founder.organizations_founded M3 .
  ?x0 ns:people.person.nationality ns:m.09c7w0
  }