question: Which of the river systems that flow into the East China Sea do not have a length of less than 5,000 km?
answerText: Yangtze–Jinsha–Tongtian–Dangqu
questionEntity.name: Q45341
questionEntity.entityType: entity
questionEntity.label: East China Sea
questionEntity.mention: East China Sea
questionEntity.name: 5000
questionEntity.entityType: quantity
questionEntity.mention: 5,000 km
answerEntity.name: Q5413
answerEntity.label: Yangtze