Question: Who is Keith Carradine's dad?
Choices: John Carradine
Sylvester Stallone
Craig Thomas
Sunil Dutt
Rick Kline
Robert Shaw
Jeetendra
Amitabh Bachchan
Max Fleischer
William Henry Harrison
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <father> ?e . ?e_1 <pred:name> "Keith Carradine" .   }
Program:
function: Find
inputs: Keith Carradine
function: Relate
dependencies: 0
inputs: father
forward
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: John Carradine