Given a statement, generate a question such that the answer is contained in that statement.

Q: An electronic device is used for getting sums.

A: What is used to get sums?
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Q: Some species of reptiles can go several weeks between eating food.

A: How long can some reptiles go between eating food?
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Q: when a frog is born it is 0.39 in long

A:
When a frog is born it is what in long?
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