Question: Did Spencer Tracy's work period start after 1827?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Spencer Tracy
function: QueryAttr
dependencies: 0
inputs: work period (start)
function: VerifyYear
dependencies: 1
inputs: 1827
>
SPARQL: ASK { ?e <pred:name> "Spencer Tracy" . ?e <work_period_(start)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1827 ) .  }
Answer: yes