Question: Was Superman (the one that is released for Nintendo Entertainment System) published in 2009?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Superman" . ?e <platform> ?e_1 . ?e_1 <pred:name> "Nintendo Entertainment System" .  ?e <publication_date> ?pv . ?pv <pred:year> 2009 .  }
Program:
function: Find
inputs: Nintendo Entertainment System
function: Relate
dependencies: 0
inputs: platform
backward
function: Find
inputs: Superman
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
function: VerifyYear
dependencies: 4
inputs: 2009
=
Answer: no