question: Which screenwriter was a Mexican child of M2 's costume designer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:people.person.nationality ns:m.0b90_r .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 ns:film.film_costumer_designer.costume_design_for_film M2
  }