Question: Tell me the association football club that is related to sports association football and that has Twitter username rccelta.
Choices: Zamalek SC
Fredrikstad FK
SV Ried
Middlesbrough F.C.
Feyenoord
Dagenham & Redbridge F.C.
Racing Club de Avellaneda
Liga Deportiva Universitaria de Quito
Celta Vigo
Stade Brestois 29
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <sport> ?e_1 . ?e_1 <pred:name> "association football" .  ?e <Twitter_username> ?pv . ?pv <pred:value> "rccelta" .  }
Program:
function: Find
inputs: association football
function: Relate
dependencies: 0
inputs: sport
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: FindAll
function: FilterStr
dependencies: 3
inputs: Twitter username
rccelta
function: FilterConcept
dependencies: 4
inputs: association football club
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Celta Vigo