Question: Is exploitative visa number of a visual artwork,  produced by History, equal to 18289 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <production_company> ?e_1 . ?e_1 <pred:name> "History" .  ?e <exploitation_visa_number> ?pv . ?pv <pred:value> "18289" .  }
Program:
function: Find
inputs: History
function: Relate
dependencies: 0
inputs: production company
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: exploitation visa number
function: VerifyStr
dependencies: 3
inputs: 18289