Did a person influence a cinematographer and influence M1 's producer
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced ?x2 .
?x1 ns:film.producer.film|ns:film.production_company.films M1 .
?x2 a ns:film.cinematographer
}