Was M1 influenced by a character , influenced by M2 , influenced by M3 , and influenced by M4
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
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
}