Question: ISO 3166-2 code GB-STH  designates which city?
Choices:
Djibouti
Delhi
Kilkenny
Cork
Carthage
Kingston
Trieste
Hanoi
Southampton
Wuhan
Answer: Southampton
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <ISO_3166-2_code> ?pv . ?pv <pred:value> "GB-STH" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: ISO 3166-2 code
GB-STH
function: FilterConcept
dependencies: 1
inputs: city
function: What
dependencies: 2