Did M1 , M2 , M3 , M4 , M5 , and M6 acquire a company
SELECT count(*) WHERE {
?x0 a ns:business.employer .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M2 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M3 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M4 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M5 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M6 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0
}