question: Were M3 and M6 produced by M4 and M5 and produced by a Japanese film producer 's male child
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 a ns:film.producer .
  ?x1 ns:people.person.nationality ns:m.03_3d .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies M4 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies M5 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies M4 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies M5
  }