Were M2 and M3 produced and edited by a screenwriter that a company was founded by
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 a ns:business.employer .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.edited_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}