question: What was executive produced by M0 , written by a German film producer 's male child , and directed by M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by M1 .
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 ns:people.person.gender ns:m.05zppz .
  ?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
  ?x2 a ns:film.producer .
  ?x2 ns:people.person.nationality ns:m.0345h
  }