who is 8th president of us?
PREFIX dbo: <http://dbpedia.org/ontology/> PREFIX dbp: <http://dbpedia.org/property/> PREFIX dbr: <http://dbpedia.org/resource/> SELECT ?name WHERE { dbr:8th_President_of_the_United_States dbo:wikiPageRedirects ?link . ?link dbp:name ?name }
8th_President_of_the_United_States