Were M3 and M5 produced by a film producer founded by M1 and founded by M2 and edited by M4
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
M3 ns:film.film.edited_by M4 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.edited_by M4 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}