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 simplicity, answers should be in all lower cased letters.
question:
Category: MUSICAL THEATRE 
Clue: Currently, this show is performed by 3 troupes; the Liffey & Lagan Companies on tour & the Shannon Company on B'way
answer:
\"riverdance\"


question:
Category: PUBLICATIONS 
Clue: Henry Nichols' "Four Seasons" engraving has appeared on the cover of this publication each year since 1851
answer:
farmers\' almanac


question:
Category: PRESIDENTIAL RELATIVES 
Clue: Before George W. Bush, he was the last president to have both his parents attend his inauguration
answer:

john f. kennedy