Question: Was an entertainment piece which is a part of Batman, starring Val Kilmer, published before 2000 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "entertainment" . ?e <part_of_the_series> ?e_1 . ?e_1 <pred:name> "Batman" . ?e_1 <performer> ?e_2 . ?e_2 <pred:name> "Val Kilmer" .  ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2000 ) .  }
Program:
function: Find
inputs: Val Kilmer
function: Relate
dependencies: 0
inputs: performer
backward
function: Find
inputs: Batman
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: part of the series
backward
function: FilterConcept
dependencies: 4
inputs: entertainment
function: QueryAttr
dependencies: 5
inputs: publication date
function: VerifyYear
dependencies: 6
inputs: 2000
<
Answer: no