Question: What Roman-Britian province inhabited by Celtics Britons, Belgae and Picts, holds the best preserved Roam for north of the Alps?
Sentence (from "Battle of Coilsfield"): The Battle of Coilsfield was a semi-legendary clash in Ayrshire, Scotland, between an allied force of Picts and Scots under Fergus I and an army of Britons led by Coilus, the Coel Hen of the Welsh genealogies.
Relevant evidence: No