Who was a British screenwriter that edited M2 and M3 and executive produced M4 , M5 , and M6
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 a ns:people.person .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:film.producer.films_executive_produced M4 .
?x0 ns:film.producer.films_executive_produced M5 .
?x0 ns:film.producer.films_executive_produced M6 .
?x0 ns:people.person.nationality ns:m.07ssc
}