question: Was a Mexican film editor a actor whose parent produced M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 a ns:film.editor .
  ?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.producer.film|ns:film.production_company.films M3
  }