Question: What is the official website for a business whose Twitter username is MorganStanley?
Choices:
http://www.melora.com/
http://www.unimelb.edu.au/
https://www.rijksoverheid.nl
http://olympiakos.com.cy/
http://www.dal.ca/
https://www.pixar.com/feature-films/toy-story-3
https://www.morganstanley.com
http://www.matthewlillard.com/
https://www.curzonartificialeye.com/mary-shelley/
http://www.mightyhercules.com/
Answer: https://www.morganstanley.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "business" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "MorganStanley" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
MorganStanley
function: FilterConcept
dependencies: 1
inputs: business
function: QueryAttr
dependencies: 2
inputs: official website