question: Were M2 and M3 produced by and written by a film producer that M1 was directed by and was executive produced by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.written_by ?x0 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M3 ns:film.film.written_by ?x0
  }