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.
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Question: Category: TRANSPORTATION 
Clue: The name of this airline established in 1948 means "skyward"

Answer: el al


Question: Category: U.S. PRESIDENTS 
Clue: The last names of 8 different presidents end with this 3-letter combination

Answer: son


Question: Category: 19th CENTURY DEMOCRATS 
Clue: He said, "I am the last president of the United States"

Answer:
james buchanan