question: Was a male British Canadian screenwriter that M2 and M3 were written by and starred M0
query: SELECT count(*) WHERE {
  M0 a ns:film.writer .
  M0 ns:film.actor.film/ns:film.performance.film M2 .
  M0 ns:film.actor.film/ns:film.performance.film M3 .
  M0 ns:film.writer.film M2 .
  M0 ns:film.writer.film M3 .
  M0 ns:people.person.gender ns:m.05zppz .
  M0 ns:people.person.nationality ns:m.07ssc .
  M0 ns:people.person.nationality ns:m.0d060g
  }