Did M4 star a film editor that M1 , M2 , and M3 married
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?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 .
?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 M2 .
?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 M3 .
FILTER ( ?x0 != M1 ) .
FILTER ( ?x0 != M2 ) .
FILTER ( ?x0 != M3 ) .
M4 ns:film.film.starring/ns:film.performance.actor ?x0
}