question: What Mexican child of M6 executive produced M2 , M3 , and M4 and wrote M0 and M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?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 M6
  }