Question: What is the mains voltage of the administrative territorial entity that is exported to United Kingdom?
Choices:
100 volt
110 volt
230 volt
240 volt
400 volt
115 volt
220 volt
550 volt
127 volt
120 volt
Answer: 110 volt
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "administrative territorial entity" . ?e <exported_to> ?e_1 . ?e_1 <pred:name> "United Kingdom" .  ?e <mains_voltage> ?pv .  }
Program:
function: Find
inputs: United Kingdom
function: Relate
dependencies: 0
inputs: exported to
backward
function: FilterConcept
dependencies: 1
inputs: administrative territorial entity
function: QueryAttr
dependencies: 2
inputs: mains voltage