Was M1 a cinematographer that M4 influenced , a actor influenced , and M3 was influenced by
SELECT count(*) WHERE {
?x0 a ns:film.actor .
M1 a ns:film.cinematographer .
M1 ns:influence.influence_node.influenced M3 .
M1 ns:influence.influence_node.influenced_by ?x0 .
M1 ns:influence.influence_node.influenced_by M4
}