Was M2 's Canadian spouse M0 's sibling
SELECT count(*) WHERE {
?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 M0 .
?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M2 .
FILTER ( ?x0 != M0 ) .
FILTER ( ?x0 != M2 )
}