Question: What is the official website of the higher education institution that is located in Johannesburg?
Choices: http://www.sonypictures.com/movies/residentevil/
http://www.haryana.gov.in
http://www.wits.ac.za/
http://carter.house.gov
http://www.stockwellart.com
http://www.legallyblonde.com/
http://www.longviewtx.com/
http://www.tezuka.co.jp/
http://bloomington.in.gov/
http://www.philips.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "higher education institution" . ?e <located_in_the_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Johannesburg" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Johannesburg
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
backward
function: FilterConcept
dependencies: 1
inputs: higher education institution
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://www.wits.ac.za/