Question: Where was a feature film, starring James Horner, published on 21st June 1991 ?
Choices: Mexico
Croatia
Ireland
Berlin
Peru
United States of America
Singapore
Quebec
El Capitan Theatre
Israel
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "feature film" . ?e <performer> ?e_1 . ?e_1 <pred:name> "James Horner" .  ?e <publication_date> ?pv . ?pv <pred:date> "1991-06-21"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: James Horner
function: Relate
dependencies: 0
inputs: performer
backward
function: FilterConcept
dependencies: 1
inputs: feature film
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
1991-06-21
place of publication
Answer: United States of America