Question: What famous politician died in the Petersen House?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/deathPlace> <http://dbpedia.org/resource/Petersen_House>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Person>}
Answer: The person who died in the Petersen House is [Abraham Lincoln].