Question: Regarding the record label that is Warner Bros. Records' child organization, tell me the Instgram username.
Choices: katebeckinsale
nonesuchrecords
kirstendunst
alisonkrauss
iubloomington
missouristate
kellyrowland
mewins
watfordfcofficial
yale
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e <parent_organization> ?e_1 . ?e_1 <pred:name> "Warner Bros. Records" .  ?e <Instagram_username> ?pv .  }
Program:
function: Find
inputs: Warner Bros. Records
function: Relate
dependencies: 0
inputs: parent organization
backward
function: FilterConcept
dependencies: 1
inputs: record label
function: QueryAttr
dependencies: 2
inputs: Instagram username
Answer: nonesuchrecords