Was a company whose Japanese employee executive produced M0 , M1 , and M2 M4
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:people.person.nationality ns:m.03_3d .
M4 a ns:business.employer .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}