Question: What's the infant mortality rate in the united states?
qaPairs: question: What is the infant mortality rate in the US from the World Bank in 2018?
answer: 6.5
question: What is the infant mortality rate in the US from the CIA World Factbook 2017?
answer: 5.8
question: What is the infant mortality rate in the US from the CIA World Factbook 2016?
answer: 5.8