Was M1 influenced by M2 and M3 , influenced by M4 , M5 , M6 , and M7 , and influenced by a cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
M1 ns:influence.influence_node.influenced_by ?x0 .
M1 ns:influence.influence_node.influenced_by M2 .
M1 ns:influence.influence_node.influenced_by M3 .
M1 ns:influence.influence_node.influenced_by M4 .
M1 ns:influence.influence_node.influenced_by M5 .
M1 ns:influence.influence_node.influenced_by M6 .
M1 ns:influence.influence_node.influenced_by M7
}