Question: What is the area of the Maine county whose FIPS 6-4 for US counties is 23031?
Choices: 2679 square kilometre
2911 square kilometre
336 square kilometre
12012 square kilometre
315.82 square kilometre
151.7 square kilometre
1270 square mile
18.1 square mile
2515 square kilometre
33.58 square mile
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Maine" . ?e <FIPS_6-4_(US_counties)> ?pv_1 . ?pv_1 <pred:value> "23031" . ?e <area> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: FIPS 6-4 (US counties)
23031
function: FilterConcept
dependencies: 1
inputs: county of Maine
function: QueryAttr
dependencies: 2
inputs: area
Answer: 1270 square mile