question: Were M2 and M5 directed by a British star of M1 , directed by M4 , and edited by M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M1 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.directed_by M4 .
  M2 ns:film.film.edited_by M3 .
  M5 ns:film.film.directed_by ?x0 .
  M5 ns:film.film.directed_by M4 .
  M5 ns:film.film.edited_by M3
  }