Question: Is Universiteit Leiden the official name for Santiago whose area is 837.89 square kilometers?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Santiago" . ?e <area> ?pv_1 . ?pv_1 <pred:unit> "square kilometre" . ?pv_1 <pred:value> "837.89"^^xsd:double . ?e <official_name> ?pv . ?pv <pred:value> "Universiteit Leiden" .  }
Program:
function: Find
inputs: Santiago
function: FilterNum
dependencies: 0
inputs: area
837.89 square kilometre
=
function: QueryAttr
dependencies: 1
inputs: official name
function: VerifyStr
dependencies: 2
inputs: Universiteit Leiden