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: SOUTH AMERICA 
Clue: Alphabetically, they're the first & last of the 7 countries where the Andes are found
answer:
argentina & venezuela


question:
Category: COLLEGES & UNIVERSITIES 
Clue: This New York univ. is named for the family whose company was the first to sell toothpaste in a tube
answer:
colgate university


question:
Category: 1998 OPERA NEWS 
Clue: For his first opera, Andre Previn adapted this 1947 Pulitzer Prize play featuring sex, violence & insanity
answer:

a streetcar named desire