question: What was produced by a child of a film editor 's child and produced by M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies M0 .
  ?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
  ?x2 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x3 .
  ?x3 a ns:film.editor
  }