Question: What is the Twitter username of the member of Weezer?
Choices: BillCosby
dark_shark
riverscuomo
BristolUni
MasterPMiller
indiaarie
theflaminglips
AdamSandler
MGM_Studios
equalvision
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <member_of> ?e_1 . ?e_1 <pred:name> "Weezer" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Weezer
function: Relate
dependencies: 0
inputs: member of
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: riverscuomo