Who was a British editor and director of M2 and M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:people.person.nationality ns:m.07ssc
}