question: Did a British art director of M1 direct M2 and direct M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.film_art_director.films_art_directed M1 .
  ?x0 ns:people.person.nationality ns:m.07ssc
  }