Question: How big is Portland (the one whose official website is http://www.portlandmaine.gov/)?
Choices: 127.714801 square kilometre
4596 square kilometre
34.407674 square kilometre
1466 square kilometre
1853 square kilometre
359.048734 square kilometre
16400.75 square kilometre
23547 square kilometre
158.9 square kilometre
179.85166 square kilometre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Portland" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.portlandmaine.gov/" . ?e <area> ?pv .  }
Program:
function: Find
inputs: Portland
function: FilterStr
dependencies: 0
inputs: official website
http://www.portlandmaine.gov/
function: QueryAttr
dependencies: 1
inputs: area
Answer: 179.85166 square kilometre