Question: Is Oswald Morris's date of birth on 1915-11-22?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Oswald Morris" . ?e <date_of_birth> ?pv . ?pv <pred:date> "1915-11-22"^^xsd:date .  }
Program:
function: Find
inputs: Oswald Morris
function: QueryAttr
dependencies: 0
inputs: date of birth
function: VerifyDate
dependencies: 1
inputs: 1915-11-22
=