question: What Mexican person that played M3 was a executive producer of M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.actor.film/ns:film.performance.character M3 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }