About: http://dbpedia.org/resource/Boris_Spassky/datebirth/birth_date_and

Property	Value
dbpprop:birthDateAndAgeProperty	1 (xsd:integer) 30 (xsd:integer) 1937 (xsd:integer)
dbpprop:wikiPageUsesTemplate	dbpedia:Template:birth_date_and_age
is dbpprop:datebirth of	dbpedia:Boris_Spassky

About: http://dbpedia.org/resource/Boris_Spassky/datebirth/birth_date_and_age