Was M1 's American female sibling 's spouse a sibling of a employee of M0
SELECT count(*) WHERE {
?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 .
?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 ?x2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x2 ns:people.person.gender ns:m.02zsn .
?x2 ns:people.person.nationality ns:m.09c7w0 .
?x2 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 .
FILTER ( ?x0 != ?x1 ) .
FILTER ( ?x0 != ?x2 ) .
FILTER ( ?x2 != M1 )
}