Was M2 influenced by a character , influenced by M3 , influenced by M1 's writer , and influenced by M4
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x1 ns:film.writer.film M1 .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x1 .
M2 ns:influence.influence_node.influenced_by M3 .
M2 ns:influence.influence_node.influenced_by M4
}