Question: Did Cajun music start in 1833?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Cajun music" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1833 ) .  }
Program:
function: Find
inputs: Cajun music
function: QueryAttr
dependencies: 0
inputs: inception
function: VerifyYear
dependencies: 1
inputs: 1833
!=
Answer: yes