question: What is the tallest building in the city that was attacked first on September 11, 2001?
answerText: One World Trade Center
questionEntity.name: Q10806
questionEntity.entityType: entity
questionEntity.label: September 11 attacks
questionEntity.mention: September 11, 2001
questionEntity.name: 1
questionEntity.entityType: ordinal
questionEntity.mention: first
answerEntity.name: Q11245
answerEntity.label: One World Trade Center