Question: When did the beatles play at the cow palace?
qaPairs: question: When did the beatles play at the cow palace on their first US Tour?
answer: August 19, 1964
question: When did the beatles play at the cow palace on their second US Tour?
answer: August 31, 1965
qaPairs: question: When did the beatles play at the cow palace in 1964?
answer: August 19, 1964
question: When did the beatles play at the cow palace in 1965?
answer: August 31, 1965