Did M4 marry a American employee of M1 and M2 and marry a film director 's sibling
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 .
?x1 a ns:film.director .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x2 ns:people.person.nationality ns:m.09c7w0 .
FILTER ( ?x0 != ?x1 ) .
FILTER ( M4 != ?x0 ) .
FILTER ( M4 != ?x2 ) .
M4 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x0 .
M4 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
}