About: http://webisa.webdatacommons.org/274957397

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	when we instert row in foo we also json_column value i.e. example from
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org