Question: What is the area of the US city which is the capital of Hartford County?
Choices: 1723 square kilometre
140.19 square kilometre
2097 square kilometre
1766 square kilometre
825615 square kilometre
3155 square kilometre
288.42 square kilometre
18.759855 square kilometre
46.764198 square kilometre
132.440094 square kilometre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <capital> ?e . ?e_1 <pred:name> "Hartford County" .  ?e <area> ?pv .  }
Program:
function: Find
inputs: Hartford County
function: Relate
dependencies: 0
inputs: capital
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: area
Answer: 46.764198 square kilometre