question: Was M0 a Japanese person that directed and wrote M2 and M3
query: SELECT count(*) WHERE {
  M0 a ns:people.person .
  M0 ns:film.director.film M2 .
  M0 ns:film.director.film M3 .
  M0 ns:film.writer.film M2 .
  M0 ns:film.writer.film M3 .
  M0 ns:people.person.nationality ns:m.03_3d
  }