Question: What is the Twitter username of the person that was influenced by David Foster Wallace?
Choices: tyrabanks
trishtrashers
gnkdinamo
VareseC
brianwilsonlive
NatlParkService
korn
UNM
nealstephenson
OMONOIAfootball
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <influenced_by> ?e_1 . ?e_1 <pred:name> "David Foster Wallace" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: David Foster Wallace
function: Relate
dependencies: 0
inputs: influenced by
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: nealstephenson