Question: What is the elevation above sea level of the Pennsylvania city that is the capital of Luzerne County?
Choices:
410 metre
235 metre
256 metre
396 metre
1198 metre
29 metre
270 metre
135 metre
291 metre
160 metre
Answer: 160 metre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <capital_of> ?e_1 . ?e_1 <pred:name> "Luzerne County" .  ?e <elevation_above_sea_level> ?pv .  }
Program:
function: Find
inputs: Luzerne County
function: Relate
dependencies: 0
inputs: capital of
backward
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: QueryAttr
dependencies: 2
inputs: elevation above sea level