Did M2 employ a film editor , employ a founder and employee of M1 , and employ M3 and M4
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x1 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M4
}