question: Who has won more head-to-head tennis matches between each other, Serena Williams or Maria Sharapova?
answerText: Serena Williams
questionEntity.name: Q11666
questionEntity.entityType: entity
questionEntity.label: Maria Sharapova
questionEntity.mention: Maria Sharapova
questionEntity.name: Q11459
questionEntity.entityType: entity
questionEntity.label: Serena Williams
questionEntity.mention: Serena Williams
answerEntity.name: Q11459
answerEntity.label: Serena Williams