question: Were M2 and M6 written by M5 , executive produced by M3 and M4 , and produced by M0 's British writer
query: SELECT count(*) WHERE {
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.executive_produced_by M4 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.written_by M5 .
  M6 ns:film.film.executive_produced_by M3 .
  M6 ns:film.film.executive_produced_by M4 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M6 ns:film.film.written_by M5
  }