question: Was M0 a male person that played M2 and M3
query: SELECT count(*) WHERE {
  M0 a ns:people.person .
  M0 ns:film.actor.film/ns:film.performance.character M2 .
  M0 ns:film.actor.film/ns:film.performance.character M3 .
  M0 ns:people.person.gender ns:m.05zppz
  }