Question: Tallinn is headquarters of which soccer club?
Choices:
Brisbane Roar FC
Ulsan Hyundai FC
Lincoln City F.C.
Everton F.C.
FC Levadia Tallinn
Middlesbrough F.C.
Stade Brestois 29
Zamalek SC
Dagenham & Redbridge F.C.
Brentford F.C.
Answer: FC Levadia Tallinn
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> "Tallinn" .   }
Program:
function: Find
inputs: Tallinn
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: What
dependencies: 2