Question: Is Doc Watson's (the one that died in San Diego), birth date after 1836?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: San Diego
function: Relate
dependencies: 0
inputs: place of death
backward
function: Find
inputs: Doc Watson
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1836
>
SPARQL: ASK { ?e <pred:name> "Doc Watson" . ?e <place_of_death> ?e_1 . ?e_1 <pred:name> "San Diego" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1836 ) .  }
Answer: yes