Question: Is David Lean's death date after 2019?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "David Lean" . ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 2019 ) .  }
Program:
function: Find
inputs: David Lean
function: QueryAttr
dependencies: 0
inputs: date of death
function: VerifyYear
dependencies: 1
inputs: 2019
>
Answer: no