Was M2 a French sibling of a Chinese spouse of M1
SELECT count(*) WHERE {
?x0 ns:people.person.nationality ns:m.0d05w3 .
?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 M1 .
FILTER ( ?x0 != M1 ) .
FILTER ( M2 != ?x0 ) .
M2 ns:people.person.nationality ns:m.0f8l9c .
M2 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 ?x0
}