Question: Who was the doctoral advisor of Niels Bohr in the University of Copenhagen?
Choices: Niko Tinbergen
Dennis W. Sciama
E1510
John Archibald Wheeler
Heinrich Burkhardt
annedpw
Gerard Kuiper
Alfred Kleiner
Roscoe G. Dickinson
Christian Christiansen
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Niels Bohr" . ?e_2 <pred:name> "University of Copenhagen" . ?e_1 <educated_at> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <educated_at> ; <pred:fact_t> ?e_2 ] <doctoral_advisor> ?qpv .  }
Program:
function: Find
inputs: Niels Bohr
function: Find
inputs: University of Copenhagen
function: QueryRelationQualifier
dependencies: 0
1
inputs: educated at
doctoral advisor
Answer: Christian Christiansen