Question: Which website represents the US city that's the capital of Hampden County?
Choices:
http://www.pr.gov
http://www.bet.com
http://www.ulm.edu
http://jaredleto.com
http://www.presidency.gov.lb/english/Pages/default.aspx
http://www.springfieldma.gov/
http://bihar.gov.in
http://www.costamesaca.gov/
http://www.raycharles.com
http://www2.warnerbros.com/citizenkane/
Answer: http://www.springfieldma.gov/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <capital> ?e . ?e_1 <pred:name> "Hampden County" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Hampden County
function: Relate
dependencies: 0
inputs: capital
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: official website