Question: I want to know the rock band that is well known for heavy metal and that has the official website http://styxworld.com
Choices: Queen
Styx
Guns N’ Roses
Marilyn Manson
Kiss
Def Leppard
Journey
Camel
The Doors
Skillet
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "rock band" . ?e_1 <famous_people> ?e . ?e_1 <pred:name> "heavy metal" .  ?e <official_website> ?pv . ?pv <pred:value> "http://styxworld.com" .  }
Program:
function: Find
inputs: heavy metal
function: Relate
dependencies: 0
inputs: famous people
forward
function: FilterConcept
dependencies: 1
inputs: rock band
function: FindAll
function: FilterStr
dependencies: 3
inputs: official website
http://styxworld.com
function: FilterConcept
dependencies: 4
inputs: rock band
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Styx