Did a character found M4 's employer , found M1 , and found M2 and M3
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M4
}