Were M0 , M4 , and M5 founded by M1 , M2 , and M3
SELECT count(*) WHERE {
M0 ns:organization.organization.founders M1 .
M0 ns:organization.organization.founders M2 .
M0 ns:organization.organization.founders M3 .
M4 ns:organization.organization.founders M1 .
M4 ns:organization.organization.founders M2 .
M4 ns:organization.organization.founders M3 .
M5 ns:organization.organization.founders M1 .
M5 ns:organization.organization.founders M2 .
M5 ns:organization.organization.founders M3
}