Question: What sort of geological formation housed a clan that was responsible for the murder of over 1000 people in Scotland between the 13th and 16th centuries?
Sentence (from "Sawney Bean"): Alexander "Sawney" Bean was said to be the head of a 48-member clan in Scotland anywhere between the 13th and 16th centuries, reportedly executed for the mass murder and cannibalisation of over 1,000 people.
Relevant evidence: Yes