Problem: In what year did competition for the Davis Cup begin?
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A: 1900

Problem: How is the woman born Sophie Friederike Auguste von Anhalt-Zerbst in Stettin in 1729 more commonly known to history?
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A: catherine great

Problem: Which river forms much of the border between England and Scotland?
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A: tweed

Problem: Lula da Silva was re-elected President of which South American country in 2006?
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A:
brazil