Question: What is the date of death for the human that died in Pretoria?
Choices:
1804-01-01
1992-09-12
2012-06-07
1889-06-17
1639
2009-09-11
1910-11-07
1803-09-13
1274-03-07
1902-02-27
Answer: 1902-02-27
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_death> ?e_1 . ?e_1 <pred:name> "Pretoria" .  ?e <date_of_death> ?pv .  }
Program:
function: Find
inputs: Pretoria
function: Relate
dependencies: 0
inputs: place of death
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of death