Question: When did the beatles play at the cow palace?
Disambiguated questions and answers: question: When did the beatles play at the cow palace on their first US Tour?
When did the beatles play at the cow palace on their second US Tour?
answer: August 19, 1964
August 31, 1965
question: When did the beatles play at the cow palace in 1964?
When did the beatles play at the cow palace in 1965?
answer: August 19, 1964
August 31, 1965
Natural Questions answer: August 31 , 1965
August 19 , 1964 (from the Wikipedia article "Cow Palace")