About: http://webisa.webdatacommons.org/203042614

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	Google is good guessing what is a date and injecting it in snippet but quite bag determining when there is a good reason to do it.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com