question: Which male actor of M0 was M2 's sequel 's star
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M0 .
  ?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x1 ns:film.film.prequel M2
  }