Did M2 , M5 , and M6 employ M3 and M4 and employ a Japanese actor of M1
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:people.person.nationality ns:m.03_3d .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
M5 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M5 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M5 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
M6 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M6 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M6 ns:business.employer.employees/ns:business.employment_tenure.person M4
}