Question: Among the independent city that shares border with Arlington County, which is smallest in elevation above sea level?
Choices: Fairfax
Alexandria
Danville
Falls Church
Charlottesville
Hampton
Roanoke
Suffolk
Williamsburg
Lynchburg
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "independent city" . ?e <shares_border_with> ?e_1 . ?e_1 <pred:name> "Arlington County" .  ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Arlington County
function: Relate
dependencies: 0
inputs: shares border with
backward
function: FilterConcept
dependencies: 1
inputs: independent city
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
smallest
Answer: Alexandria