question: What river flows through Louisiana and is the second longest river in the United States?
answerText: Mississippi River
questionEntity.name: Q1588
questionEntity.entityType: entity
questionEntity.label: Louisiana
questionEntity.mention: Louisiana
questionEntity.name: Q30
questionEntity.entityType: entity
questionEntity.label: United States of America
questionEntity.mention: United States
questionEntity.name: 2
questionEntity.entityType: ordinal
questionEntity.mention: second
answerEntity.name: Q1497
answerEntity.label: Mississippi River