question: What family has had political rulership in Qatar since Mohammed Bin Thani signed a treaty with the British in 1868 that recognized its separate status?
answerText: House of Thani
questionEntity.name: Q145
questionEntity.entityType: entity
questionEntity.label: United Kingdom
questionEntity.mention: British
questionEntity.name: Q3493526
questionEntity.entityType: entity
questionEntity.label: Mohammed bin Thani
questionEntity.mention: Mohammed Bin Thani
questionEntity.name: Q846
questionEntity.entityType: entity
questionEntity.label: Qatar
questionEntity.mention: Qatar
questionEntity.name: 1868
questionEntity.entityType: date
questionEntity.mention: 1868
answerEntity.name: Q2502270
answerEntity.label: Al thani