question: Were M3 and M4 directed by a costume designer and directed by M2 's male child
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?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 M2 .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.directed_by ?x1 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.directed_by ?x1
  }