Question: Did the professional career of Dorothy Spencer conclude prior to 1837 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Dorothy Spencer" . ?e <work_period_(end)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1837 ) .  }
Program:
function: Find
inputs: Dorothy Spencer
function: QueryAttr
dependencies: 0
inputs: work period (end)
function: VerifyYear
dependencies: 1
inputs: 1837
<
Answer: no