Question: Where was the animated ninja feature film released that came out on September 28th, 2007?
Choices: Peru
El Capitan Theatre
Vietnam
Hollywood Bowl
New Amsterdam Theatre
2003 Cannes Film Festival
Poland
Portugal
Venezuela
Indonesia
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "animated feature film" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "ninja" .  ?e <publication_date> ?pv . ?pv <pred:date> "2007-09-28"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: ninja
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: animated feature film
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
2007-09-28
place of publication
Answer: Poland