Question: Which association football club is headquartered in Derby (ISO 3166-2 code GB-DER)?
Choices: Hibernian F.C.
Brisbane Roar FC
Zamalek SC
S.S. Monza 1912
Preston North End F.C.
Racing de Santander
Middlesbrough F.C.
Anorthosis Famagusta FC
Roda JC Kerkrade
Derby County F.C.
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Derby" . ?e_1 <ISO_3166-2_code> ?pv . ?pv <pred:value> "GB-DER" .   }
Program:
function: Find
inputs: Derby
function: FilterStr
dependencies: 0
inputs: ISO 3166-2 code
GB-DER
function: Relate
dependencies: 1
inputs: headquarters location
backward
function: FilterConcept
dependencies: 2
inputs: association football club
function: What
dependencies: 3
Answer: Derby County F.C.