question: Was a Italian cinematographer of M2 , M3 , and M4 a actor
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:film.cinematographer.film M2 .
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.cinematographer.film M4 .
  ?x0 ns:people.person.nationality ns:m.03rjj
  }