Did M3 influence a screenwriter whose spouse played M1 and played M2 and influence M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?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 ?x1 .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
?x1 ns:film.actor.film/ns:film.performance.character M2 .
FILTER ( ?x0 != ?x1 ) .
M3 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced M4
}