question: Which Canadian sibling of a actor executive produced M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x0 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 ?x1 .
  ?x1 a ns:film.actor .
  FILTER ( ?x0 != ?x1 )
  }