Question: Which film production company's official website is http://www.hbo.com/films/?
Choices: Hollywood Pictures
Warner Bros.
Constantin Film
HBO Films
Lucasfilm
Universal Pictures
Screen Gems
Touchstone Pictures
Paramount Pictures
American International Pictures
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film production company" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.hbo.com/films/" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.hbo.com/films/
function: FilterConcept
dependencies: 1
inputs: film production company
function: What
dependencies: 2
Answer: HBO Films