Question: Was Chicago Blues founded in 1920?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Chicago blues" . ?e <inception> ?pv . ?pv <pred:year> 1920 .  }
Program:
function: Find
inputs: Chicago blues
function: QueryAttr
dependencies: 0
inputs: inception
function: VerifyYear
dependencies: 1
inputs: 1920
=
Answer: yes