Question: What is the Instagram username of the person whose official website http://www.mariahcarey.com?
Choices: everton
houstondynamo
rosariodawson
naomiwatts
teacha_krsone
mariahcarey
warrenellis
zenit_spb
hilaryswank
polimi
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.mariahcarey.com" . ?e <Instagram_username> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.mariahcarey.com
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Instagram username
Answer: mariahcarey