Problem: Given the question: Generate a question about the topic "Greco-Persian Wars" whose answer would be: The Greco-Persian Wars (also often called the Persian Wars) were a series of conflicts between the Achaemenid Empire of Persia and city-states of the Hellenic world that started in 499 BC and lasted until 449 BC..
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The answer is:
where did the persian war take place?

input question: Generate a question about the topic "World War I" whose answer would be: On 28 July, the Austro-Hungarians fired the first shots of the war as preparation for the invasion of Serbia ..???
output answer: where did world war 1 start?

Generate a question about the topic "Rocket engine" whose answer would be: A rocket engine, or simply "rocket", is a jet engine that uses only stored propellant mass for forming its high speed propulsive jet ..
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Answer: how a rocket engine works?

Q: Generate a question about the topic "Simlish" whose answer would be: Wright later commented that using "nonsense language" turned out to be the right development choice, as people were capable of imagining it more realistically than a computer could simulate a real one..
A: what is sims language?

Question: Generate a question about the topic "Pig" whose answer would be: Pigs are omnivores and are highly social and intelligent animals..
Answer: what do pigs eat?

Please answer this: Generate a question about the topic "Richard Nixon" whose answer would be: Richard Milhous Nixon (January 9, 1913 April 22, 1994) was the 37th President of the United States , serving from 1969 to 1974, when he became the only president to resign the office..
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Answer:
when president nixon resigns?