Question: How old is the trombone player in chicago?
Answer: 70
Disambiguated annotations:
qaPairs: question: How old is the trombone player in chicago as of the end of 2017?
answer: 70
question: How old is the trombone player in chicago as of the end of 2016?
answer: 69
question: How old is the trombone player in chicago as of the end of 2015?
answer: 68