Was M0 a film editor that M2 and M3 employed and were founded by
SELECT count(*) WHERE {
M0 a ns:film.editor .
M0 ns:organization.organization_founder.organizations_founded M2 .
M0 ns:organization.organization_founder.organizations_founded M3 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}