Question: Were the Calgary Stampeders not established in 1991?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Calgary Stampeders" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1991 ) .  }
Program:
function: Find
inputs: Calgary Stampeders
function: QueryAttr
dependencies: 0
inputs: inception
function: VerifyYear
dependencies: 1
inputs: 1991
!=