Did a costume designer that was influenced by M2 and M3 marry M4 and influence M1
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M4 .
FILTER ( ?x0 != M4 )
}