question: What did a British screenwriter that executive produced M1 and M2 edit and write
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.edited_by ?x1 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 a ns:film.writer .
  ?x1 ns:film.producer.films_executive_produced M1 .
  ?x1 ns:film.producer.films_executive_produced M2 .
  ?x1 ns:people.person.nationality ns:m.07ssc
  }