Question: Is 1990 not the publication date for Stalag 17?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Stalag 17" . ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1990 ) .  }
Program:
function: Find
inputs: Stalag 17
function: QueryAttr
dependencies: 0
inputs: publication date
function: VerifyYear
dependencies: 1
inputs: 1990
!=