Question: What sovereign state's ITU letter code is COM?
Choices:
Maldives
Burundi
Kiribati
South Sudan
Austrian Empire
Switzerland
Egypt
Comoros
Cambodia
England
Answer: Comoros
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e <ITU_letter_code> ?pv . ?pv <pred:value> "COM" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: ITU letter code
COM
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: What
dependencies: 2