Question: Which association football club has a Twitter username of OL?
Choices: Rotherham United F.C.
FC Baku
Zamalek SC
Stade Brestois 29
Forfar Athletic F.C.
Olympique Lyonnais
New York Red Bulls
Brisbane Roar FC
Middlesbrough F.C.
Tennis Borussia Berlin
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <Twitter_username> ?pv . ?pv <pred:value> "OL" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
OL
function: FilterConcept
dependencies: 1
inputs: association football club
function: What
dependencies: 2
Answer: Olympique Lyonnais