question: Did M3 star a art director 's British parent and star a person
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x2 .
  ?x1 ns:people.person.nationality ns:m.07ssc .
  ?x2 a ns:film.film_art_director .
  M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M3 ns:film.film.starring/ns:film.performance.actor ?x1
  }