Question: What is the Twitter username of an association football club headquartered in Barcelona (the one whose native label is Barcelona) ?
Choices: fluminensefc
ChakaKhan
utadahikaru
shakira
Saints
RCDEspanyol_es
ITMovieOfficial
jofroggatt
jjabrams
Billy
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Barcelona" . ?e_1 <native_label> ?pv_1 . ?pv_1 <pred:value> "Barcelona" . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Barcelona
function: FilterStr
dependencies: 0
inputs: native label
Barcelona
function: Relate
dependencies: 1
inputs: headquarters location
backward
function: FilterConcept
dependencies: 2
inputs: association football club
function: QueryAttr
dependencies: 3
inputs: Twitter username
Answer: RCDEspanyol_es