Did M1 star a sibling of M0 's editor and executive producer
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 ns:film.editor.film M0 .
?x1 ns:film.producer.films_executive_produced M0 .
FILTER ( ?x0 != ?x1 ) .
M1 ns:film.film.starring/ns:film.performance.actor ?x0
}