Question: What is the official website of the person with the Twitter username doctorgraffin?
Choices:
http://www.bloemfontein.co.za/
http://www.fdu.edu
https://web.archive.org/web/20130131070427/http://www.worldwidestudios.net/liverpool
http://www.foxjapan.com/movies/sideways/
http://truegritmovie.com
https://www.southwest.com
http://www.orionpictures.com
http://www.badreligion.com/
http://www.spelman.edu/
https://www.qut.edu.au/
Answer: http://www.badreligion.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "doctorgraffin" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
doctorgraffin
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: official website