About: http://dbpedia.org/resource/SymPy/latestReleaseDate/release_date_and

Property	Value
dbpprop:releaseDateAndAgeProperty	7 (xsd:integer) 17 (xsd:integer) 2009 (xsd:integer)
dbpprop:wikiPageUsesTemplate	dbpedia:Template:release_date_and_age
is dbpprop:latestReleaseDate of	dbpedia:SymPy

About: http://dbpedia.org/resource/SymPy/latestReleaseDate/release_date_and_age