question: Which Mexican French child of M2 directed M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film M3 .
  ?x0 ns:people.person.nationality ns:m.0b90_r .
  ?x0 ns:people.person.nationality ns:m.0f8l9c .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M2
  }