Question: What area of London has official website http://www.westminster.gov.uk/?
Choices:
Camberwell
Hammersmith
Paddington
Croydon
Wandsworth
Lambeth
Westminster
Ealing
Bromley
Brixton
Answer: Westminster
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "area of London" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.westminster.gov.uk/" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.westminster.gov.uk/
function: FilterConcept
dependencies: 1
inputs: area of London
function: What
dependencies: 2