Question: Is Edward G. Boyle's death date before 1987?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Edward G. Boyle" . ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1987 ) .  }
Program:
function: Find
inputs: Edward G. Boyle
function: QueryAttr
dependencies: 0
inputs: date of death
function: VerifyYear
dependencies: 1
inputs: 1987
<