Question: Was the House of Wittelsbach founded in 1820?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "House of Wittelsbach" . ?e <inception> ?pv . ?pv <pred:year> 1820 .  }
Program:
function: Find
inputs: House of Wittelsbach
function: QueryAttr
dependencies: 0
inputs: inception
function: VerifyYear
dependencies: 1
inputs: 1820
=
Answer: no