question: Which British film editor directed M3 , executive produced M1 , and directed M4 , M5 , and M6
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:people.person.nationality ns:m.07ssc
  }