Question: Was the printed work with a depiction of Welsh people established prior to 1788 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "print" . ?e <depicts> ?e_1 . ?e_1 <pred:name> "Welsh people" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1788 ) .  }
Program:
function: Find
inputs: Welsh people
function: Relate
dependencies: 0
inputs: depicts
backward
function: FilterConcept
dependencies: 1
inputs: print
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1788
<
Answer: no