Question: What is the official website of the US state which contains the administrative division Washington County (the one whose population is 22247),?
Choices: http://www.iowa.gov
https://www.ola.org
http://www.co.cumberland.nc.us
http://www.nittygritty.com/
http://www.emmaroberts.net
http://www.sekitomokazu.com
http://windows.microsoft.com/en-us/windows/products/windows-xp
http://www.cbsradio.com
http://www.harland-wolff.com/
http://www.morrisseyofficial.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "state of the United States" . ?e <contains_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Washington County" . ?e_1 <population> ?pv_1 . ?pv_1 <pred:unit> "1" . ?pv_1 <pred:value> "22247"^^xsd:double . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Washington County
function: FilterNum
dependencies: 0
inputs: population
22247
=
function: Relate
dependencies: 1
inputs: contains administrative territorial entity
backward
function: FilterConcept
dependencies: 2
inputs: state of the United States
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://www.iowa.gov