question: Who served as president from 2009 to 2017 and graduated from Harvard University?
answerText: Barack Obama
questionEntity.name: Q13371
questionEntity.entityType: entity
questionEntity.label: Harvard University
questionEntity.mention: Harvard University
questionEntity.name: Q11696
questionEntity.entityType: entity
questionEntity.label: President of the United States
questionEntity.mention: president
questionEntity.name: 2009:2017
questionEntity.entityType: date
questionEntity.mention: from 2009 to 2017
answerEntity.name: Q76
answerEntity.label: Barack Obama