question: Was a German American parent of a costume designer M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  M1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x0 .
  M1 ns:people.person.nationality ns:m.0345h .
  M1 ns:people.person.nationality ns:m.09c7w0
  }