Question: What is the official website for the professional-sports team related to sport-association football?
Choices:
https://www.realmadrid.com/en
http://www.alexborstein.com/
http://www.billcosby.com
http://www.canada.ca
http://www.diana-ross.co.uk/index.htm
http://www.pr.gov
http://www.pao.gr/
http://canadiens.nhl.com/
https://fcaugsburg.de/
http://www.cityofjackson.org/
Answer: https://fcaugsburg.de/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "professional sports team" . ?e <sport> ?e_1 . ?e_1 <pred:name> "association football" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: association football
function: Relate
dependencies: 0
inputs: sport
backward
function: FilterConcept
dependencies: 1
inputs: professional sports team
function: QueryAttr
dependencies: 2
inputs: official website