question: What screenwriter was M3 's Spanish Mexican editor
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:people.person.nationality ns:m.06mkj .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }