question: Was a Canadian screenwriter that M2 and M3 were executive produced and produced by a film producer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 a ns:film.writer .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M3 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }