question: Were M2 and M6 edited by M5 , written by M3 and M4 , and directed by a British film director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.edited_by M5 .
  M2 ns:film.film.written_by M3 .
  M2 ns:film.film.written_by M4 .
  M6 ns:film.film.directed_by ?x0 .
  M6 ns:film.film.edited_by M5 .
  M6 ns:film.film.written_by M3 .
  M6 ns:film.film.written_by M4
  }