Was a person influenced by a film 's cinematographer and influenced by M1 and M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x1 ns:film.cinematographer.film ?x2 .
?x2 a ns:film.film
}