Question: What is the Twitter username of the record label of Portishead?
Choices: officialirishfa
DancingABC
ForestWhitaker
KenBurns
crawleytown
islamicmoqawama
IslandRecords
cosagov
styxtheband
banantsfc
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e_1 <record_label> ?e . ?e_1 <pred:name> "Portishead" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Portishead
function: Relate
dependencies: 0
inputs: record label
forward
function: FilterConcept
dependencies: 1
inputs: record label
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: IslandRecords