question: Was M2 's male writer 's male actor a person
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x1 ns:film.writer.film M2 .
  ?x1 ns:people.person.gender ns:m.05zppz
  }