Question: Who was the screenwriter of the movie which won for Best Actor at the 23rd Academy Awards?
Choices: Jim Brown
Billy Wilder
Dennis Lehane
Sylvester Stallone
Ronald Harwood
Paul Bettany
Brian Helgeland
Charlie Daniels
Carl Foreman
Charles Brackett
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <screenwriter> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "film" . ?e_1 <award_received> ?e_3 . ?e_3 <pred:name> "Academy Award for Best Actor" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_3 ] <statement_is_subject_of> ?qpv . ?qpv <pred:value> "23rd 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
23rd Academy Awards
function: FilterConcept
dependencies: 2
inputs: film
function: Relate
dependencies: 3
inputs: screenwriter
forward
function: FilterConcept
dependencies: 4
inputs: human
function: What
dependencies: 5
Answer: Carl Foreman