Question: What is the area size of London (postal code SW1)?
Choices: Croydon
Islington
Hammersmith
Ealing
Camberwell
Paddington
Lambeth
Wandsworth
Westminster
Chiswick
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "area of London" . ?e <postal_code> ?pv . ?pv <pred:value> "SW1" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: postal code
SW1
function: FilterConcept
dependencies: 1
inputs: area of London
function: What
dependencies: 2
Answer: Westminster