Question: The author of books about Ugenia Lavender was also in a pop girl group that was formed in what year?
Sentence (from "Ugenia Lavender"): Ugenia Lavender is the title character in a series of children's novels written by Geri Halliwell, who achieved fame as a member of the Spice Girls and as a solo singer-songwriter before deciding to pursue a career as an author.
Relevant evidence: Yes