Did M2 influence a actor , marry M4 , influence a art director , and influence M3
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 a ns:film.film_art_director .
FILTER ( M2 != M4 ) .
M2 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced ?x1 .
M2 ns:influence.influence_node.influenced M3 .
M2 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
}