Was M1 a film editor that a sibling of M0 was influenced by and influenced
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 M0 .
FILTER ( ?x0 != M0 ) .
M1 a ns:film.editor .
M1 ns:influence.influence_node.influenced ?x0 .
M1 ns:influence.influence_node.influenced_by ?x0
}