Question: Did Mary Pickford pass away before 2005?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Mary Pickford
function: QueryAttr
dependencies: 0
inputs: date of death
function: VerifyYear
dependencies: 1
inputs: 2005
<
SPARQL: ASK { ?e <pred:name> "Mary Pickford" . ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2005 ) .  }
Answer: yes