question: What was M2 's German Mexican star 's country of nationality
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ^ns:people.person.nationality ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.film M2 .
  ?x1 ns:people.person.nationality ns:m.0345h .
  ?x1 ns:people.person.nationality ns:m.0b90_r
  }