Question: What is its official website for the association football club that had Peter Berg as a member?
Choices: http://www.meetjoeblack.com/
http://pages.simonandschuster.com/perksofbeingawallflower
http://www.irwincine.com
http://www.portishead.co.uk/
http://www.ofc.de/
https://web.archive.org/web/20090202050724/http://alexander-thegame.com/us/
http://www.bladetrinity.com/
http://www.flamengo.com.br
http://www.miramax.com/movie/the-queen
http://www.xlrecordings.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "Peter Berg" . ?e_1 <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1955-01-07"^^xsd:date . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Peter Berg
function: FilterDate
dependencies: 0
inputs: date of birth
1955-01-07
=
function: Relate
dependencies: 1
inputs: member of sports team
forward
function: FilterConcept
dependencies: 2
inputs: association football club
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://www.ofc.de/