Was M3 founded by a film editor that directed M1 and founded by a film director
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.director.film M1 .
?x1 a ns:film.director .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1
}