Did M4 influence M5 and M6 and influence a actor whose sibling married M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?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:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M1 .
?x1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M2 .
?x1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M3 .
FILTER ( ?x0 != ?x1 ) .
FILTER ( ?x1 != M1 ) .
FILTER ( ?x1 != M2 ) .
FILTER ( ?x1 != M3 ) .
M4 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced M5 .
M4 ns:influence.influence_node.influenced M6
}