question: Which country is a part of North America and was also involved in the Louisiana Purchase?
answerText: United States
questionEntity.name: Q49
questionEntity.entityType: entity
questionEntity.label: North America
questionEntity.mention: North America
questionEntity.name: Q193155
questionEntity.entityType: entity
questionEntity.label: Louisiana Purchase
questionEntity.mention: Louisiana Purchase
answerEntity.name: Q30
answerEntity.label: United States of America