Question: What is the official website of the American football team which has Dean Cain as a member?
Choices:
http://www.ci.visalia.ca.us
http://www.kungfupandagame.com/
https://www.buryfc.co.uk/
http://www.comune.catania.it/
https://www.maharashtra.gov.in/
http://www.kent.ac.uk
http://heartsfc.com/
http://www.barrygibb.com
http://www.buffalobills.com
http://www.spe.sony.com/movies/airforceone/index.html
Answer: http://www.buffalobills.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "American football team" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "Dean Cain" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Dean Cain
function: Relate
dependencies: 0
inputs: member of sports team
forward
function: FilterConcept
dependencies: 1
inputs: American football team
function: QueryAttr
dependencies: 2
inputs: official website