question: Were M2 and M5 founded by M3 , founded by M4 , and founded by a German executive producer of M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.nationality ns:m.0345h .
  M2 ns:organization.organization.founders ?x0 .
  M2 ns:organization.organization.founders M3 .
  M2 ns:organization.organization.founders M4 .
  M5 ns:organization.organization.founders ?x0 .
  M5 ns:organization.organization.founders M3 .
  M5 ns:organization.organization.founders M4
  }