question: What star of a film was a Mexican Canadian star of M2 and M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:people.person.nationality ns:m.0b90_r .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 a ns:film.film
  }