question: Was a female star of M2 a British film director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.07ssc
  }