What was founded by a writer of M2 , founded by a film editor , and founded by M1 's editor
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x0 ns:organization.organization.founders ?x3 .
?x1 a ns:film.editor .
?x2 ns:film.editor.film M1 .
?x3 ns:film.writer.film M2
}