Question: What is the official website for the association football club that is located in Frankfurt?
Choices:
http://www.cliftoncollinsjr.com
https://www.portsmouthfc.co.uk/
http://www.midnightschildren.com/
http://www.neftchifc.com/
http://www.bingcrosby.com
http://www.carlisle.gov.uk/
http://hilaryduff.com
http://www.fsv-frankfurt.de
http://www.co.hancock.me.us
http://www.bobseger.com
Answer: http://www.fsv-frankfurt.de
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <located_in_the_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Frankfurt" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Frankfurt
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: QueryAttr
dependencies: 2
inputs: official website