Question: What is the Twitter username of the association football club whose official website is http://www.incheonutd.com/?
Choices: AvrilLavigne
mauricelamarche
stokecity
TayeDiggs
GameOfThrones
incheonutd
IamStevenT
WindowsUK
joeycrackts
jamesfrancotv
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.incheonutd.com/" . ?e <Twitter_username> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.incheonutd.com/
function: FilterConcept
dependencies: 1
inputs: association football club
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: incheonutd