Did a screenwriter influence a film producer and influence M1 's cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced ?x2 .
?x1 ns:film.cinematographer.film M1 .
?x2 a ns:film.producer
}