About: http://webisa.webdatacommons.org/252767255

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	to whom at least one of the quarters elapsing prior to 1951 is a quarter
http://www.w3.org/ns/prov#wasQuotedFrom	socialsecurity.gov