About: http://webisa.webdatacommons.org/199279391

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	More than 800,000 people took part, among them Boris Johnson, the Mayor of London, and Sir Ian McKellen, star of the Lord of the Rings movies.
http://www.w3.org/ns/prov#wasQuotedFrom	pinknews.co.uk