Was M1 a actor that influenced a film producer and was influenced by M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 a ns:film.producer .
M1 a ns:film.actor .
M1 ns:influence.influence_node.influenced ?x0 .
M1 ns:influence.influence_node.influenced_by M3 .
M1 ns:influence.influence_node.influenced_by M4 .
M1 ns:influence.influence_node.influenced_by M5
}