Did a Japanese person executive produce M3 and write M1 and M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.producer.films_executive_produced M3 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.nationality ns:m.03_3d
}