Question: Was Billy Ray Cyrus born on 1970-01-28?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Billy Ray Cyrus" . ?e <date_of_birth> ?pv . ?pv <pred:date> "1970-01-28"^^xsd:date .  }
Program:
function: Find
inputs: Billy Ray Cyrus
function: QueryAttr
dependencies: 0
inputs: date of birth
function: VerifyDate
dependencies: 1
inputs: 1970-01-28
=
Answer: no