Question: What is the official website for Richmond (the one that lies 299 metres above sea level) ?
Choices:
http://www.foofighters.com
http://www.lagaan.com/
http://www.miramax.com/movie/there-will-be-blood
http://www.indy500.com/
http://www.richmondindiana.gov/
http://www.dollyparton.com
http://www.jerrydouglas.com/
https://www.symantec.com
http://moma.org/
http://www.universalstudiosentertainment.com/hulk/
Answer: http://www.richmondindiana.gov/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Richmond" . ?e <elevation_above_sea_level> ?pv_1 . ?pv_1 <pred:unit> "metre" . ?pv_1 <pred:value> "299"^^xsd:double . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Richmond
function: FilterNum
dependencies: 0
inputs: elevation above sea level
299 metre
=
function: QueryAttr
dependencies: 1
inputs: official website