Question: What is the big city whose official name is Toulouse ?
Choices:
Toulouse
Utrecht
Halle (Saale)
Leuven
Augsburg
Dnipro
Stuttgart
Lyon
Makati
Aachen
Answer: Toulouse
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e <official_name> ?pv . ?pv <pred:value> "Toulouse" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official name
Toulouse
function: FilterConcept
dependencies: 1
inputs: big city
function: What
dependencies: 2