Question: Is the publication date before 2000 for the visual artwork whose exploitation visa number is 60687?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <exploitation_visa_number> ?pv_1 . ?pv_1 <pred:value> "60687" . ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2000 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: exploitation visa number
60687
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: publication date
function: VerifyYear
dependencies: 3
inputs: 2000
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Answer: yes