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