question: How many times was Joe Biden re-elected to the Senate before becoming vice president of the US?
answerText: 6
questionEntity.name: Q11699
questionEntity.entityType: entity
questionEntity.label: Vice President of the United States
questionEntity.mention: vice president
questionEntity.name: Q6279
questionEntity.entityType: entity
questionEntity.label: Joe Biden
questionEntity.mention: Joe Biden
questionEntity.name: Q66096
questionEntity.entityType: entity
questionEntity.label: United States Senate
questionEntity.mention: Senate
questionEntity.name: Q30
questionEntity.entityType: entity
questionEntity.label: United States of America
questionEntity.mention: US
answerEntity.name: Q4347802
answerEntity.label: 1978 United States Senate elections
answerEntity.name: Q4348012
answerEntity.label: 1984 United States Senate elections
answerEntity.name: Q4348035
answerEntity.label: 1990 United States Senate elections
answerEntity.name: Q4347795
answerEntity.label: 1996 United States Senate elections
answerEntity.name: Q1262340
answerEntity.label: 2002 United States Senate elections
answerEntity.name: Q2647277
answerEntity.label: 2008 United States Senate elections