Was M1 M0 's employee 's American German sibling
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
FILTER ( M1 != ?x0 ) .
M1 ns:people.person.nationality ns:m.0345h .
M1 ns:people.person.nationality ns:m.09c7w0 .
M1 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
}