Question: Which person won the Hugo Award for Best Novel (the point in time of this statement is 1962)?
Choices:
Arthur C. Clarke
Dan Simmons
J. K. Rowling
Patty Duke
Peter Falk
Robert A. Heinlein
Roger Zelazny
Raj Kapoor
Joe Haldeman
Frank Herbert
Answer: Robert A. Heinlein
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <winner> ?e . ?e_1 <pred:name> "Hugo Award for Best Novel" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <winner> ; <pred:fact_t> ?e ] <point_in_time> ?qpv . ?qpv <pred:year> 1962 .  }
Program:
function: Find
inputs: Hugo Award for Best Novel
function: Relate
dependencies: 0
inputs: winner
forward
function: QFilterYear
dependencies: 1
inputs: point in time
1962
=
function: FilterConcept
dependencies: 2
inputs: human
function: What
dependencies: 3