Did M2 employ M3 and M4 and employ a film producer whose employer was acquired by M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
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
}