Question: When did Frederik Pohl win a Hugo Award for Best Novel?
Choices:
2003-07-30
1869-01-01
2015-12-03
1937
1997-12-01
2002-04-17
2013-10-28
2016-02-01
1978
2011-10-01
Answer: 1978
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Hugo Award for Best Novel" . ?e_2 <pred:name> "Frederik Pohl" . ?e_1 <winner> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <winner> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Hugo Award for Best Novel
function: Find
inputs: Frederik Pohl
function: QueryRelationQualifier
dependencies: 0
1
inputs: winner
point in time