Did a screenwriter that edited M1 and M2 found a production company
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 a ns:film.production_company
}