Question: What is the elevation (above sea level) of the city that is the twinned administrative body of Duluth?
Choices:
14 metre
518 metre
20 metre
199 metre
620 metre
85 metre
1140 metre
56 foot
72 metre
103 metre
Answer: 199 metre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Duluth" .  ?e <elevation_above_sea_level> ?pv .  }
Program:
function: Find
inputs: Duluth
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: elevation above sea level