Question: Which winner for Best Production Design at the 42nd Academy Awards was a costume designer on the silent film Cleopatra ?
Choices: Walter M. Scott
Simon Cowell
Sylvester Stallone
George Hopkins
William Henry Harrison
Richard Gere
James E. Reilly
Max Fleischer
Rahul Dev Burman
David Byrne
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <award_received> ?e_1 . ?e_1 <pred:name> "Academy Award for Best Production Design" .  [ <pred:fact_h> ?e ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_1 ] <statement_is_subject_of> ?qpv . ?qpv <pred:value> "42nd Academy Awards" . ?e_2 <costume_designer> ?e . ?e_2 <pred:name> "Cleopatra" . ?e_2 <genre> ?e_3 . ?e_3 <pred:name> "silent film" .  }
Program:
function: Find
inputs: Academy Award for Best Production Design
function: Relate
dependencies: 0
inputs: award received
backward
function: QFilterStr
dependencies: 1
inputs: statement is subject of
42nd Academy Awards
function: FilterConcept
dependencies: 2
inputs: human
function: Find
inputs: silent film
function: Relate
dependencies: 4
inputs: genre
backward
function: Find
inputs: Cleopatra
function: And
dependencies: 5
6
function: Relate
dependencies: 7
inputs: costume designer
forward
function: FilterConcept
dependencies: 8
inputs: human
function: And
dependencies: 3
9
function: What
dependencies: 10
Answer: George Hopkins