Question: Which organization has the Twitter username of pfizer?
Choices: Johnson & Johnson
KLM
Sega
Silver Pictures
bakery
freemasonry
McDonald's
easyJet
Pfizer
General Dynamics
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e <Twitter_username> ?pv . ?pv <pred:value> "pfizer" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
pfizer
function: FilterConcept
dependencies: 1
inputs: organization
function: What
dependencies: 2
Answer: Pfizer