Question: Is 021 the local dialing code of Port of Spain?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Port of Spain" . ?e <local_dialing_code> ?pv . ?pv <pred:value> "021" .  }
Program:
function: Find
inputs: Port of Spain
function: QueryAttr
dependencies: 0
inputs: local dialing code
function: VerifyStr
dependencies: 1
inputs: 021