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.
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Question: Category: SALAD DRESSING 
Clue: This national-named dressing often made with ketchup is found in deli sandwiches

Answer: russian dressing


Question: Category: QUOTES 
Clue: 19th C. German chancellor who spoke of "Blut und Eisen", meaning "blood & iron"

Answer: otto von bismarck


Question: Category: JEWELRY 
Clue: The Kashmir variety of this gemstone is a cornflower blue; the Burmese a deeper blue

Answer:
sapphires