[Q]: Sentence: The Devonian spanned roughly from 419 to 359 Ma. Question: During what time period was the Devonian era?
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[A]: yes

[Q]: Sentence: Lysimachus, who had seized Macedon and Thessaly for himself, was forced into war when Seleucus invaded his territories in Asia minor and was defeated and killed in 281 BCE at the Battle of Corupedium, near Sardis. Question: What year was Seleucus killed?
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[A]: yes

[Q]: Sentence: An important element in Estonia's post-independence reorientation has been closer ties with the Nordic countries, especially Finland and Sweden. Question: What year did the foreign ministry hold an exhibit exploring the Nordic ties of Estonia?
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[A]:
no