question: What was edited by M1 , M2 , and M3 , executive produced by a character 's sibling 's child , and produced by M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.edited_by M3 .
  ?x0 ns:film.film.executive_produced_by ?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.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x3 .
  ?x3 a ns:fictional_universe.fictional_character .
  FILTER ( ?x2 != ?x3 )
  }