Did M3 and M4 employ M1 's Japanese executive producer and employ a actor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 ns:film.producer.films_executive_produced M1 .
?x1 ns:people.person.nationality ns:m.03_3d .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
}