Was M1 influenced by M2 , influenced by a film 's editor , and influenced by M3 and M4
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x1 a ns:film.film .
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
}