Question: When did the yankees become a baseball team?
Answer: after the 1902 season
Disambiguated annotations:
qaPairs: question: When did the yankees become a baseball team, originally called the Baltimore Orioles?
answer: 1901
question: When did the yankees become a baseball team called the New York Highlanders?
answer: 1903
question: When did the yankees become a baseball team called the New York Yankees?
answer: 1913