Was M4 a spouse of a film director whose sibling executive produced M1 , executive produced M2 , and directed M3
SELECT count(*) WHERE {
?x0 a ns:film.director .
?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 ns:film.director.film M3 .
?x1 ns:film.producer.films_executive_produced M1 .
?x1 ns:film.producer.films_executive_produced M2 .
FILTER ( ?x0 != ?x1 ) .
FILTER ( M4 != ?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 ?x0
}