question: What was produced by a Mexican actor of M1 , M2 , and M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.character M1 .
  ?x1 ns:film.actor.film/ns:film.performance.character M2 .
  ?x1 ns:film.actor.film/ns:film.performance.character M3 .
  ?x1 ns:people.person.nationality ns:m.0b90_r
  }