question: Was a French cinematographer of M2 and M3 M0 's writer
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M2 .
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c
  }