Question: is the area exactly 250 square kiometres?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Saginaw" . ?e <area> ?pv . ?pv <pred:unit> "square kilometre" . ?pv <pred:value> "250"^^xsd:double .  }
Program:
function: Find
inputs: Saginaw
function: QueryAttr
dependencies: 0
inputs: area
function: VerifyNum
dependencies: 1
inputs: 250 square kilometre
=