question: Did a Italian star of M4 write M0 , M1 , and M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M4 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:people.person.nationality ns:m.03rjj
  }