What is the fine-grained topic of the following text: Antona has previous with the small Warwickshire town of Kenilworth: it was where he opened the first incarnation of his now Edgbaston-based fine-dining temple, Simpsons, back in the late 90s, as well as being the location for his more laid-back grill - Beef. Only return the topic.
Antona's history of restaurant openings in Kenilworth