Which person that edited M2 and directed M4 was a British screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 a ns:people.person .
?x0 ns:film.director.film M4 .
?x0 ns:film.editor.film M2 .
?x0 ns:people.person.nationality ns:m.07ssc
}