question: Did a Italian film producer that M5 and M6 starred and M1 and M2 were written by executive produce M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.actor.film/ns:film.performance.film M5 .
  ?x0 ns:film.actor.film/ns:film.performance.film M6 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:people.person.nationality ns:m.03rjj
  }