Question: What is the official website of Princeton University?
Choices: http://al-jourgensen.squarespace.com/
https://levski.bg/
http://www.co.franklin.pa.us
http://www.princeton.edu
http://www.startrek.com/page/star-trek-the-original-series
http://www.vikings.com
http://www.end-of-days.com/
http://www.ontariopc.com
http://www.uvic.ca
http://www.gwu.edu
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Princeton University" . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Princeton University
function: QueryAttr
dependencies: 0
inputs: official website
Answer: http://www.princeton.edu