Was M1 's founder and employee a film editor that edited a film
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.editor.film ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 a ns:film.film
}