What is the {human} for {doctoral advisor} of {Paul Krugman}
Paul Krugman's doctoral adviser name was?
Who is the person that was doctoral adviser of Paul Krugman?
SELECT DISTINCT ?n WHERE { ?n property:doctoral_advisor resource:Paul_Krugman . ?n rdf:type ontology:human }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P184> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q131112> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P184 wd:Q131112 . ?sbj wdt:P31 wd:Q5 } 
Elise Brezis Lant Pritchett Matthew J. Slaughter Richard Baldwin Philip Lowe Michael Kende Donogh Colm McDonald Luca Barbone Charles Bram Cadsby Won Am Park Israel Gutierrez-Guerrero Salvador Valdes-Prieto Harry Leon Foster Edward Hudson Gardner Tahir Raza Shah Andrabi Robert Brandon Kahn Vincent Rodolphe Koen Sadao Nagaoka C. Keith (Charles) Head Krishnamurthy Narayanan Stephen Yung-li Jen Eiichi Tomiura Michael J. Chapman Raul Alejandro Livas Elizondo Gustavo Enrique Cañonero Ludwig Boris Chincarini Zhichao Yuan Mikhail Mikhailovich Klimenko Kai Lilaka Chan