Question: City of Pine Bluff is the official name of which US city?
Choices:
Franklin
Waukegan
New Haven
Vicksburg
Newport
Columbus
Pine Bluff
Joplin
Flagstaff
Rockville
Answer: Pine Bluff
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <official_name> ?pv . ?pv <pred:value> "City of Pine Bluff" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official name
City of Pine Bluff
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: What
dependencies: 2