About: http://webisa.webdatacommons.org/226033119

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	The polka was a rebellious dance in the 19th century and has become a Midwestern regional tradition since.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org