Question: What island in Denmark has 39% of the country's population and contains a mansion with an 8 hectare park?
Sentence (from "Narborough Railway Line"): The 6 to 8 hectare (15 to 20 acre) site is 1 kilometre (0.62 mi) south of Narborough, on the A47 going east from King's Lynn to Swaffham.
Relevant evidence: No