Question: What person is the director of the visual artwork that received an Academy Award for Best Actor at the 13th Academy Awards?
Choices: Roberto Benigni
Derek Jeter
John Ford
Marci Klein
Oliver Stone
Alfred Hitchcock
George Cukor
Leo McCarey
Klaas-Jan Huntelaar
Michael Curtiz
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "visual artwork" . ?e_1 <award_received> ?e_2 . ?e_2 <pred:name> "Academy Award for Best Actor" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_2 ] <statement_is_subject_of> ?qpv . ?qpv <pred:value> "13th Academy Awards" .   }
Program:
function: Find
inputs: Academy Award for Best Actor
function: Relate
dependencies: 0
inputs: award received
backward
function: QFilterStr
dependencies: 1
inputs: statement is subject of
13th Academy Awards
function: FilterConcept
dependencies: 2
inputs: visual artwork
function: Relate
dependencies: 3
inputs: director
forward
function: FilterConcept
dependencies: 4
inputs: human
function: What
dependencies: 5
Answer: George Cukor