Did M3 influence a editor and director of M2 , influence a Japanese person , and influence M4
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.nationality ns:m.03_3d .
?x1 ns:film.director.film M2 .
?x1 ns:film.editor.film M2 .
M3 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced ?x1 .
M3 ns:influence.influence_node.influenced M4
}