Question: What album released on September 29, 2017 was the 6th album for singer Demi Lavato, and features acoustic version of the song, 'No Promises'?
Sentence (from "No Promises (Cheat Codes song)"): "No Promises" was written by the group members, along with Lovato, Ari Leff, and Loote, who co-produced the song with group member Trevor Dahl and Leff, while Mitch Allan produced its vocals.
Relevant evidence: No