question: What producer and executive producer of M2 directed M3 , M4 , M5 , and M6 and wrote M0 and M1
query: SELECT DISTINCT ?x0 WHERE {
  ?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 M2 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1
  }