Were M2 and M4 edited by M1 's spouse , edited by M3 , and executive produced by a person '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:people.person .
?x2 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 .
FILTER ( ?x0 != ?x1 ) .
FILTER ( ?x2 != M1 ) .
M2 ns:film.film.edited_by ?x2 .
M2 ns:film.film.edited_by M3 .
M2 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.edited_by ?x2 .
M4 ns:film.film.edited_by M3 .
M4 ns:film.film.executive_produced_by ?x0
}