question: What was executive produced by M0 , M1 , and M2 , written by M3 , M4 , and M5 , and produced by M6
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.executive_produced_by M2 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies M6 .
  ?x0 ns:film.film.written_by M3 .
  ?x0 ns:film.film.written_by M4 .
  ?x0 ns:film.film.written_by M5
  }