Question: Which UK citizen is identified by Libris-URI hftwzql151rnf15?
Choices: William Henry Harrison
Cliff Richard
Jim Clark
John Boorman
Richard Gere
David Brown
Neil Gaiman
James Blunt
Charles Laughton
Max Fleischer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <country_of_citizenship> ?e_1 . ?e_1 <pred:name> "United Kingdom" .  ?e <Libris-URI> ?pv . ?pv <pred:value> "hftwzql151rnf15" .  }
Program:
function: Find
inputs: United Kingdom
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: FilterConcept
dependencies: 1
inputs: human
function: FindAll
function: FilterStr
dependencies: 3
inputs: Libris-URI
hftwzql151rnf15
function: FilterConcept
dependencies: 4
inputs: human
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Charles Laughton