Question: What film production company produced the television series with official website http://www.sonypictures.com/tv/shows/seinfeld/?
Choices: HBO
Castle Rock Entertainment
Hollywood Pictures
Warner Bros.
New Line Cinema
Working Title Films
Relativity Media
TriStar Pictures
Amblin Entertainment
Lucasfilm
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film production company" . ?e_1 <production_company> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "television series" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.sonypictures.com/tv/shows/seinfeld/" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.sonypictures.com/tv/shows/seinfeld/
function: FilterConcept
dependencies: 1
inputs: television series
function: Relate
dependencies: 2
inputs: production company
forward
function: FilterConcept
dependencies: 3
inputs: film production company
function: What
dependencies: 4
Answer: Castle Rock Entertainment