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