question: Was M1 's Canadian Chinese sibling M0
query: SELECT count(*) WHERE {
  FILTER ( M0 != M1 ) .
  M0 ns:people.person.nationality ns:m.0d05w3 .
  M0 ns:people.person.nationality ns:m.0d060g .
  M0 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 M1
  }