Did M2 found M3 , M4 , and M5 and found a production company that was acquired by M1
SELECT count(*) WHERE {
?x0 a ns:film.production_company .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
M2 ns:organization.organization_founder.organizations_founded ?x0 .
M2 ns:organization.organization_founder.organizations_founded M3 .
M2 ns:organization.organization_founder.organizations_founded M4 .
M2 ns:organization.organization_founder.organizations_founded M5
}