question: Was M2 directed , executive produced , and edited by a film 's British writer
query: SELECT count(*) WHERE {
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x1 a ns:film.film .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.executive_produced_by ?x0
  }