Question: Which person earned an Academy Award for Best Actor for work on Stalag 17?
Choices: Colin Firth
Spencer Tracy
Max Fleischer
William Holden
Richard Gere
Al Pacino
Lionel Barrymore
Daniel Day-Lewis
Sylvester Stallone
William Henry Harrison
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <winner> ?e . ?e_1 <pred:name> "Academy Award for Best Actor" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <winner> ; <pred:fact_t> ?e ] <for_work> ?qpv . ?qpv <pred:value> "Stalag 17" .  }
Program:
function: Find
inputs: Academy Award for Best Actor
function: Relate
dependencies: 0
inputs: winner
forward
function: QFilterStr
dependencies: 1
inputs: for work
Stalag 17
function: FilterConcept
dependencies: 2
inputs: human
function: What
dependencies: 3
Answer: William Holden