Conversation so far:
What is the album Mwng by Super Furry Animals?
Mwng is the fourth studio album by Welsh rock band the Super Furry Animals.
What are some of the songs on the album Mwng?
The first three songs are Drygioni, Ymaelodi Â'r Ymylon, and Y Gwyneb Iau.
When did the album mwng come out?
Mwng was released on 15 May 2000.
When did the album Guerrilla by Super Furry Animals come out?
The record was released on 14 June 1999.

Question: When did Guerrilla come out?
Self-contained rewrite: When did the album Guerrilla by Super Furry Animals come out?