Did M3 and M4 influence a male character that a screenwriter influenced and was influenced by
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x1 a ns:film.writer .
M3 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced ?x0
}