Was M1 's star a screenwriter that influenced a screenwriter that directed M2
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:influence.influence_node.influenced ?x1 .
?x1 a ns:film.writer .
?x1 ns:film.director.film M2
}