question: Which of the river systems that flow into the Gulf of Mexico do not have a length of less than 5,000 km?
answerText: Mississippi–Missouri–Jefferson–Beaverhead–Red Rock–Hell Roaring
questionEntity.name: Q12630
questionEntity.entityType: entity
questionEntity.label: Gulf of Mexico
questionEntity.mention: Gulf of Mexico
questionEntity.name: 5000
questionEntity.entityType: quantity
questionEntity.mention: 5,000 km
answerEntity.name: Q1497
answerEntity.label: Mississippi River