Question: Of the independent cities that share a border with Chesapeake, which has the smallest area?
Choices: Lynchburg
Portsmouth
Norfolk
Fairfax
Charlottesville
Virginia Beach
Winchester
Hampton
Roanoke
Danville
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "independent city" . ?e <shares_border_with> ?e_1 . ?e_1 <pred:name> "Chesapeake" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Chesapeake
function: Relate
dependencies: 0
inputs: shares border with
backward
function: FilterConcept
dependencies: 1
inputs: independent city
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: Portsmouth