question: Who served as both a president and later as a Chief Justice of the United States?
answerText: William Howard Taft
questionEntity.name: Q11696
questionEntity.entityType: entity
questionEntity.label: President of the United States
questionEntity.mention: president
questionEntity.name: Q3188089
questionEntity.entityType: entity
questionEntity.label: chief justice
questionEntity.mention: Chief Justice
questionEntity.name: Q30
questionEntity.entityType: entity
questionEntity.label: United States of America
questionEntity.mention: United States
answerEntity.name: Q35648
answerEntity.label: William Howard Taft