Question: What is the official website for the higher education institution whose Twitter username is LancasterUni?
Choices:
http://www.hbo.com/films/
http://www.chevrolet.com/
https://www.washington.edu/
http://www.cityofmiddletown.com/
http://www.lancaster.ac.uk/
http://www.hearst.com
https://www.europa.eu/
http://www.rclens.fr/
http://www.thenewworldmovie.com/
http://www.georgeduke.com
Answer: http://www.lancaster.ac.uk/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "higher education institution" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "LancasterUni" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
LancasterUni
function: FilterConcept
dependencies: 1
inputs: higher education institution
function: QueryAttr
dependencies: 2
inputs: official website