question: Was a British art director that M2 and M3 were produced by and were executive produced by a film director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 a ns:film.film_art_director .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M3 .
  ?x0 ns:people.person.nationality ns:m.07ssc
  }