Capital Cities

Which Spanish speaking country's capital city has over 8 Million people living there?

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Which U.S. state is known as the lightning capital?
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Praia is the capital of which country?
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What is the capital of France?
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What is the capital of Pakistan?
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Port Louis is the capital of which country?
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What is the capital and the most populous city of Thailand?
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Basseterre is the capital of what country?
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Which of these continent - country - capital groups is correct?
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