Question: The 2001 Humber Refinery explosion occurred in the parish that has a population of what, as of 2011?
Sentence (from "2001 Humber Refinery explosion"): The 2001 Humber Refinery explosion was a major incident at the then Conoco-owned Humber Refinery at South Killingholme in North Lincolnshire, England.
Relevant evidence: Yes