Was M1 's Japanese employee M0 's writer and editor
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.nationality ns:m.03_3d
}