About: http://webisa.webdatacommons.org/220349401

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	You need a GROUP BY clause so that MySQL knows how to group the data when you are using aggregate functions such as COUNT.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com