Conversation so far:
What was the Abba Generation?
The ABBA Generation is the debut studio album by Swedish pop group A-Teens.
What songs were on the Abba Generation?
The ABBA Generation had songs such as Mamma Mia, Gimme! Gimme! Gimme!, Super Trouper, and many more.
How did the Abba Generation do?
Despite its commercial success around the world, the album received overwhelmingly negative reviews from music critics.

Question: How many copies did the album sell?
Self-contained rewrite: How many copies did The ABBA Generation sell?