Question: Did the professional career of Dorothy Fields conclude prior to 2018?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Dorothy Fields" . ?e <work_period_(end)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2018 ) .  }
Program:
function: Find
inputs: Dorothy Fields
function: QueryAttr
dependencies: 0
inputs: work period (end)
function: VerifyYear
dependencies: 1
inputs: 2018
<
Answer: yes