Were M1 , M2 , M3 , and M4 edited by a company 's founder
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 a ns:business.employer .
M1 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by ?x0 .
M3 ns:film.film.edited_by ?x0 .
M4 ns:film.film.edited_by ?x0
}