question: What did M0 and M1 executive produce , M2 , M3 , M4 , and M5 executive produce , and M6 executive produce
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.executive_produced_by M3 .
  ?x0 ns:film.film.executive_produced_by M4 .
  ?x0 ns:film.film.executive_produced_by M5 .
  ?x0 ns:film.film.executive_produced_by M6
  }