Question: What's the official website of a county in ORegon that contains Salem (the one whose area is 127.220892 square kilometres) administrative division ?
Choices: https://www.amazon.com
https://www.curzonartificialeye.com/mary-shelley/
http://www.warhol.org
http://www.labour.ie/
https://www.rcdespanyol.com/
http://www.idsoftware.com
http://www.hbo.com
http://www.nin.com
http://disney.go.com/disneypictures/olddogs/
http://www.co.marion.or.us
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Oregon" . ?e <contains_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Salem" . ?e_1 <area> ?pv_1 . ?pv_1 <pred:unit> "square kilometre" . ?pv_1 <pred:value> "127.220892"^^xsd:double . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Salem
function: FilterNum
dependencies: 0
inputs: area
127.220892 square kilometre
=
function: Relate
dependencies: 1
inputs: contains administrative territorial entity
backward
function: FilterConcept
dependencies: 2
inputs: county of Oregon
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://www.co.marion.or.us