Question: What is the official website of Mike Watt (the one whose date of birth is 1957-12-20)?
Choices:
http://www.startrek.com/startrek/view/series/ENT/index.html
https://www.montrealalouettes.com
http://www.burnleyfootballclub.com/
http://www.turismo.gob.ec/
http://www.julieandjulia.com/
http://www.LiveFreeOrDieHard.com/
http://www.pvpc.org
http://www.monamarshall.net/MonaMarshallHOME.html
https://www.alberta.ca/index.aspx
http://www.mikewatt.com
Answer: http://www.mikewatt.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Mike Watt" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1957-12-20"^^xsd:date . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Mike Watt
function: FilterDate
dependencies: 0
inputs: date of birth
1957-12-20
=
function: QueryAttr
dependencies: 1
inputs: official website