Question: What video game developer has official website http://www.epicgames.com/?
Choices: Eidos Interactive
Disney Interactive Studios
Epic Games
Sierra Entertainment
Square
FromSoftware
U.S. Gold
Atari
Sonic Team
LucasArts
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "video game developer" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.epicgames.com/" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.epicgames.com/
function: FilterConcept
dependencies: 1
inputs: video game developer
function: What
dependencies: 2
Answer: Epic Games