Question: What's the population of the city that is the capital of Orange Free State?
Choices:
5428547
2134880
42909
116160978
30923
148058
3006341
33306941
17450
256185
Answer: 256185
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <capital_of> ?e_1 . ?e_1 <pred:name> "Orange Free State" .  ?e <population> ?pv .  }
Program:
function: Find
inputs: Orange Free State
function: Relate
dependencies: 0
inputs: capital of
backward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: population