Question: Is the Twitter username esifc1989  for the association football club that has Jung Sung-ryong as a member (the end time of this statement is 2011)?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
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unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "Jung Sung-ryong" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e ] <end_time> ?qpv . ?qpv <pred:year> 2011 . ?e <Twitter_username> ?pv . ?pv <pred:value> "esifc1989" .  }
Program:
function: Find
inputs: Jung Sung-ryong
function: Relate
dependencies: 0
inputs: member of sports team
forward
function: QFilterYear
dependencies: 1
inputs: end time
2011
=
function: FilterConcept
dependencies: 2
inputs: association football club
function: QueryAttr
dependencies: 3
inputs: Twitter username
function: VerifyStr
dependencies: 4
inputs: esifc1989
Answer: yes