About: http://webisa.webdatacommons.org/353805572

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	However, according to some researchers, it is estimated that at least 40% of Americans have some racial mixing in the last three generations, including Bill Clinton, Barack Obama, and Martin Luther King.
http://www.w3.org/ns/prov#wasQuotedFrom	csbchome.org