Question: What is the official website of Springfield whose total area measures 171.90 square kilometers?
Choices:
http://www.haldavid.com/
http://www.montcopa.org/
http://www.ecb.europa.eu
http://www.co.lake.mn.us
http://extremelyloudmovie.com/
http://www.aafk.no/
http://www.montclair.edu
http://richsommer.com/
http://www.springfield.il.us/
http://www.placer.ca.gov/
Answer: http://www.springfield.il.us/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Springfield" . ?e <area> ?pv_1 . ?pv_1 <pred:unit> "square kilometre" . ?pv_1 <pred:value> "171.909634"^^xsd:double . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Springfield
function: FilterNum
dependencies: 0
inputs: area
171.909634 square kilometre
=
function: QueryAttr
dependencies: 1
inputs: official website