Were M2 and M3 influenced by a person and influenced by a director and cinematographer of M1
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:film.cinematographer.film M1 .
?x1 ns:film.director.film M1 .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x1 .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x1
}