In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
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Question: Context: In 1983 elections, N. T. Rama Rao came to power Link Information: none Answer: none

Answer: Did Tamil Nadu have a greater population than Maharashtra the year Rao came to power?


Question: Context: He fought in Operation Barbarossa, the German invasion of the Soviet Union, and claimed his first aerial victory on 8 August 1941. Link Information: none Answer: none

Answer: How many days did Operation Barbarossa last?


Question: Context: Copper mineralization and pipe formation occurred in the Pliocene. Link Information: The Pliocene ( ; also Pleiocene) Epoch is the epoch in the geologic timescale that extends from 5.333 million to 2.58 million years BP. Answer: from 5.333 million to 2.58 million years

Answer:
How many years long was the period in which copper mineralization and pipe formation occurred?