About: http://webisa.webdatacommons.org/236803364

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 am assuming you are using datetime, but this should work (date is a datetime, days is an integer):
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com