Question: How long is The Grapes of Wrath (the one that has John Carradine as a cast member)?
Choices: 47 minute
155 minute
128 minute
380 minute
238 second
132 minute
158 minute
137 minute
3308 second
235 minute
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "The Grapes of Wrath" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "John Carradine" .  ?e <duration> ?pv .  }
Program:
function: Find
inputs: John Carradine
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: The Grapes of Wrath
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: duration
Answer: 128 minute