Question: Which Pennsylvania city is in Luzerne County?
Choices: Wilkes-Barre
Bethlehem
Johnstown
Philadelphia
York
Scranton
Chester
Pittsburgh
Greensburg
Erie
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <located_in_the_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Luzerne County" .   }
Program:
function: Find
inputs: Luzerne County
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
backward
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: What
dependencies: 2
Answer: Wilkes-Barre