Which person that influenced M1 and M2 directed M3 and edited M4 's prequel
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M3 .
?x0 ns:film.editor.film ?x1 .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x1 ns:film.film.sequel M4
}