Question: Was David Nutter born on 1960-01-01?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "David Nutter" . ?e <date_of_birth> ?pv . ?pv <pred:date> "1960-01-01"^^xsd:date .  }
Program:
function: Find
inputs: David Nutter
function: QueryAttr
dependencies: 0
inputs: date of birth
function: VerifyDate
dependencies: 1
inputs: 1960-01-01
=
Answer: yes