question: Who is a Serbian professional tennis player who did not win the gold medal at the 2008 Beijing Olympics?
answerText: Novak Djokovic
questionEntity.name: Q403
questionEntity.entityType: entity
questionEntity.label: Serbia
questionEntity.mention: Serbia
questionEntity.name: Q8567
questionEntity.entityType: entity
questionEntity.label: 2008 Summer Olympics
questionEntity.mention: Beijing Olympics
questionEntity.name: 2008
questionEntity.entityType: date
questionEntity.mention: 2008
answerEntity.name: Q5812
answerEntity.label: Novak Djokovic