Question: What is the Twitter username of Merle Haggard?
Choices: CleopatraRecord
acmilan
RCLens
MsLaurynHill
merlehaggard
Twins
rachelmonline
wyntonmarsalis
DragonsOfficial
wreckitralph
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Merle Haggard" . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Merle Haggard
function: QueryAttr
dependencies: 0
inputs: Twitter username
Answer: merlehaggard