Question: Who is director of The Polar Express (the one whose publication date is 2004-12-10) ?
Choices: Robert Zemeckis
Simon Cowell
Zac Efron
William Henry Harrison
Max Fleischer
Rahul Dev Burman
Sylvester Stallone
Angie Dickinson
Olivia Newton-John
David Byrne
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director> ?e . ?e_1 <pred:name> "The Polar Express" . ?e_1 <publication_date> ?pv . ?pv <pred:date> "2004-12-10"^^xsd:date .   }
Program:
function: Find
inputs: The Polar Express
function: FilterDate
dependencies: 0
inputs: publication date
2004-12-10
=
function: Relate
dependencies: 1
inputs: director
forward
function: FilterConcept
dependencies: 2
inputs: human
function: What
dependencies: 3
Answer: Robert Zemeckis