Were M3 and M4 influenced by a cinematographer of M1 and M2 and influenced by a cinematographer of M0
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M0 .
?x1 ns:film.cinematographer.film M1 .
?x1 ns:film.cinematographer.film M2 .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x1 .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by ?x1
}