Question: What is the birth location of the advisor of Richard Hofstadter ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { res:Richard_Hofstadter prop:doctoralAdvisor ?x . ?x onto:birthPlace ?uri  . }