question: Was a German film producer that M2 was founded by and M3 was founded by M0
query: SELECT count(*) WHERE {
  M0 a ns:film.producer .
  M0 ns:organization.organization_founder.organizations_founded M2 .
  M0 ns:organization.organization_founder.organizations_founded M3 .
  M0 ns:people.person.nationality ns:m.0345h
  }