Were M3 and M6 written by a actor that founded M1 and M2 and edited by M4 and M5
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
M3 ns:film.film.edited_by M4 .
M3 ns:film.film.edited_by M5 .
M3 ns:film.film.written_by ?x0 .
M6 ns:film.film.edited_by M4 .
M6 ns:film.film.edited_by M5 .
M6 ns:film.film.written_by ?x0
}