Question: Who is the person whose Twitter username is KathieLGifford?
Choices: William Henry Harrison
Tori Spelling
Richard Gere
Nathan Fillion
Kathie Lee Gifford
Rick Springfield
Cher
Michael Bay
John Bailey
Sylvester Stallone
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "KathieLGifford" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
KathieLGifford
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Kathie Lee Gifford