Was a person whose Canadian sibling directed M5 and wrote M2 and M3 a film editor
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 a ns:people.person .
?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 M5 .
?x1 ns:film.writer.film M2 .
?x1 ns:film.writer.film M3 .
?x1 ns:people.person.nationality ns:m.0d060g .
FILTER ( ?x0 != ?x1 )
}