Question: Of mountain ranges, located in Appalachian Mountains, which one lies the highest in relation to the sea level ?
Choices: Delaware County
Pennine Alps
Sierra Nevada
Alps
Himalayas
Appalachian Mountains
Adirondack Mountains
Blue Ridge Mountains
Pyrenees
Cascade Range
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mountain range" . ?e <mountain_range> ?e_1 . ?e_1 <pred:name> "Appalachian Mountains" .  ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: Appalachian Mountains
function: Relate
dependencies: 0
inputs: mountain range
backward
function: FilterConcept
dependencies: 1
inputs: mountain range
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
largest
Answer: Blue Ridge Mountains