About: http://webisa.webdatacommons.org/209630490

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I was able to answer the question I originally posed, except for part (b).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com