Was M2 a sibling of M1 's American actor 's spouse
SELECT count(*) WHERE {
?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 ?x1 .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
?x1 ns:people.person.nationality ns:m.09c7w0 .
FILTER ( ?x0 != ?x1 ) .
FILTER ( M2 != ?x0 ) .
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
}