Question: Who served as executive producer of the film whose official website is http://www.roadtoperdition.com?
Choices: Gene Colan
Geoff Johns
Walter F. Parkes
Roger Birnbaum
Bryan Burk
Curtis Hanson
Jeff Bridges
Seth Rogen
John Riggi
Uwe Boll
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <executive_producer> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "film" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.roadtoperdition.com" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.roadtoperdition.com
function: FilterConcept
dependencies: 1
inputs: film
function: Relate
dependencies: 2
inputs: executive producer
forward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4
Answer: Walter F. Parkes