Question: Who won a Locus Award for Best Science Fiction Novel for Titan?
Choices: Isaac Asimov
Lois McMaster Bujold
Sylvester Stallone
John Varley
Connie Willis
Larry Niven
Max Fleischer
Richard Gere
Michael Chabon
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> "Locus Award for Best Science Fiction Novel" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <winner> ; <pred:fact_t> ?e ] <for_work> ?qpv . ?qpv <pred:value> "Titan" .  }
Program:
function: Find
inputs: Locus Award for Best Science Fiction Novel
function: Relate
dependencies: 0
inputs: winner
forward
function: QFilterStr
dependencies: 1
inputs: for work
Titan
function: FilterConcept
dependencies: 2
inputs: human
function: What
dependencies: 3
Answer: John Varley