Question: What is Sri Lanka's ITU letter code?
Choices: ARS
CLN
BEN
AUS
UKR
DOM
KAZ
USA
MLT
CTI
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Sri Lanka" . ?e <ITU_letter_code> ?pv .  }
Program:
function: Find
inputs: Sri Lanka
function: QueryAttr
dependencies: 0
inputs: ITU letter code
Answer: CLN