instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.
question:
Category: THE 16th CENTURY 
Clue: In the 1569 Union of Lublin, Zygmunt II united Lithuania & this country
answer:
poland


question:
Category: AMERICAN WRITERS 
Clue: This author of "The Joy Luck Club" was born in California shortly after her parents immigrated to the U.S.
answer:
amy tan


question:
Category: LIBRARIES 
Clue: Founded in 1701, this university's library is Connecticut's oldest
answer:

yale