question: Who is the only person to serve as U.S. president that was not elected as either president or U.S. vice president?
answerText: Gerald R. Ford
questionEntity.name: Q11699
questionEntity.entityType: entity
questionEntity.label: Vice President of the United States
questionEntity.mention: U.S. vice president
questionEntity.name: Q11696
questionEntity.entityType: entity
questionEntity.label: President of the United States
questionEntity.mention: U.S. president
questionEntity.name: Q11696
questionEntity.entityType: entity
questionEntity.label: President of the United States
questionEntity.mention: president
answerEntity.name: Q9582
answerEntity.label: Gerald Ford