Question: Which important event is related to the film titled Frost/Nixon whose release date is 2008-10-15?
Choices: BFI London Film Festival
September 11 attacks
South by Southwest
nomination decline
2009 Cannes Film Festival
Venice Film Festival
2009 Sundance Film Festival
Cannes Film Festival
2009 Toronto International Film Festival
Saudi unification
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <title> ?pv_1 . ?pv_1 <pred:value> "Frost/Nixon" . ?e <publication_date> ?pv . ?pv <pred:date> "2008-10-15"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <significant_event> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: title
Frost/Nixon
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
2008-10-15
significant event
Answer: BFI London Film Festival