Was a film producer 's sibling influenced by M2 's star and influenced by M1 's sibling
SELECT count(*) WHERE {
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?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 ?x3 .
?x1 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 M1 .
?x2 ns:film.actor.film/ns:film.performance.film M2 .
?x3 a ns:film.producer .
FILTER ( ?x0 != ?x3 ) .
FILTER ( ?x1 != M1 )
}