Question: Is the country calling code of the island nation with the demonym of  臺灣人 equal to +234?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "island nation" . ?e <demonym> ?pv_1 . ?pv_1 <pred:value> "臺灣人" . ?e <country_calling_code> ?pv . ?pv <pred:value> "+234" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: demonym
臺灣人
function: FilterConcept
dependencies: 1
inputs: island nation
function: QueryAttr
dependencies: 2
inputs: country calling code
function: VerifyStr
dependencies: 3
inputs: +234