Did M2 employ M3 and M4 , employ a Japanese actor , and employ M5
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?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 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M5
}