Who ferries the dead across the river Acheron in Greek mythology?

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Heineken beer originated in which country?

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What name is given to a ball on a wire that is thrown in an Olympic event?

Name Tin Tin's Canine Companion?

What author created the land of Alagaësia?

Goitre is mostly caused by what deficiency?

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What was the first nation in the Western Hemisphere with a woman as head of state?