Was M1 a Japanese film producer influenced by a film producer , influenced by M2 , and influenced by M3
SELECT count(*) WHERE {
?x0 a ns:film.producer .
M1 a ns:film.producer .
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:people.person.nationality ns:m.03_3d
}