Question: Of all the United States of America independent cities, which covers the least area?
Choices: Alexandria
Williamsburg
Newport News
Charlottesville
Suffolk
Falls Church
Roanoke
Danville
Portsmouth
Fredericksburg
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "independent city" . ?e <country> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: independent city
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: Falls Church