Were M3 and M4 produced by M2 's executive producer and executive produced by a Japanese founder of M0
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:people.person.nationality ns:m.03_3d .
?x1 ns:film.producer.films_executive_produced M2 .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x1
}