Question: Which one of the independent cities within Washington metro area is of the smallest size ?
Choices: Winchester
Alexandria
Charlottesville
Hampton
Danville
Lynchburg
Suffolk
Fredericksburg
Falls Church
Fairfax
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "independent city" . ?e_1 <has_part> ?e . ?e_1 <pred:name> "Washington metropolitan area" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Washington metropolitan area
function: Relate
dependencies: 0
inputs: has part
forward
function: FilterConcept
dependencies: 1
inputs: independent city
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: Falls Church