About: http://webisa.webdatacommons.org/449587850

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	Probably, as here, it is a year and four months, though the omission of the conjunction is a difficulty.
http://www.w3.org/ns/prov#wasQuotedFrom	biblehub.com