Problem: Given the question: What's the answer to that question: where does the shannon river end?
++++++++++++++++++++++++++++++++
The answer is:
Shannon Estuary


Problem: Given the question: What's the answer to that question: where did mendeleev died?
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The answer is:
Saint Petersburg


Problem: Given the question: What's the answer to that question: what kind of currency does cuba use?
++++++++++++++++++++++++++++++++
The answer is:
Cuban peso