Question: What is the official name of the football club with the nickname Οι Λευκοί?
Choices: Leeds United Football Club
长沙市
The Master and Fellows of the College of the Great Hall of the University of Oxford
上海市
Arsenal Football Club
Associazione Calcio Milan
Salford
中华人民共和国
City of Ottawa
Província de Moçambique
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <nickname> ?pv_1 . ?pv_1 <pred:value> "Οι Λευκοί" . ?e <official_name> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: nickname
Οι Λευκοί
function: FilterConcept
dependencies: 1
inputs: association football club
function: QueryAttr
dependencies: 2
inputs: official name
Answer: Leeds United Football Club