Question: How large is the Maryland county whose official website is http://www.harfordcountymd.gov?
Choices: 1364 square kilometre
140.21 square kilometre
11608 square kilometre
1174 square kilometre
2362 square kilometre
70560000 square kilometre
1453 square kilometre
79.57616 square kilometre
196722 square kilometre
20454 square kilometre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Maryland" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.harfordcountymd.gov" . ?e <area> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.harfordcountymd.gov
function: FilterConcept
dependencies: 1
inputs: county of Maryland
function: QueryAttr
dependencies: 2
inputs: area
Answer: 1364 square kilometre