question: Who ran for president in 2012 and graduated from Columbia University?
answerText: Barack Obama
questionEntity.name: Q11696
questionEntity.entityType: entity
questionEntity.label: President of the United States
questionEntity.mention: president
questionEntity.name: Q49088
questionEntity.entityType: entity
questionEntity.label: Columbia University
questionEntity.mention: Columbia University
questionEntity.name: 2012
questionEntity.entityType: date
questionEntity.mention: 2012
answerEntity.name: Q76
answerEntity.label: Barack Obama