Were M3 , M4 , M5 , and M6 founded by a employee and founder of M0 , M1 , and M2
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M3 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders ?x0 .
M6 ns:organization.organization.founders ?x0
}