What is the {human} for {spouse} of {Betty White}
Who was Betty White's spouse ?
Who was Betty White's husband ?
SELECT DISTINCT ?c WHERE { resource:Betty_White property:spouse ?c . ?c rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q373895> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P26> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q373895 wdt:P26 ?obj . ?obj wdt:P31 wd:Q5 } 
Allen Ludden