Question: The author of books about Ugenia Lavender was also in a pop girl group that was formed in what year?
Sentence (from "Preluders"): Created through the ProSieben talent show "Popstars - Das Duell" (2003) in which pop groups of both genders competed against each other, Preluders lost out to boy band Overground in a public vote.
Relevant evidence: No