Was M2 founded by M1 's employee , founded by M3 and M4 , and founded by a company 's founder
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 a ns:business.employer .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x2 .
M2 ns:organization.organization.founders M3 .
M2 ns:organization.organization.founders M4
}