question: Did a Italian female British actor that M2 and M3 starred play M4 and M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M4 .
  ?x0 ns:film.actor.film/ns:film.performance.character M5 .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  ?x0 ns:people.person.nationality ns:m.07ssc
  }