About: http://webisa.webdatacommons.org/177057151

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	In this context amateur means not professional, i.e. the literal sense of amateur being he played for enjoyment, not payment.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org