Were M1 , M4 , M5 , and M6 founded by M0 's founder and founded by M2 and M3
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
M1 ns:organization.organization.founders ?x0 .
M1 ns:organization.organization.founders M2 .
M1 ns:organization.organization.founders M3 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders M2 .
M4 ns:organization.organization.founders M3 .
M5 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders M2 .
M5 ns:organization.organization.founders M3 .
M6 ns:organization.organization.founders ?x0 .
M6 ns:organization.organization.founders M2 .
M6 ns:organization.organization.founders M3
}