Detailed Instructions: 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.
Q: Context: In 1950, Pomeranchuk received an order from Josef Stalin to go to Arzamas-16, located in the closed city of Sarov, Link Information: Childhood to young adulthood: 18781899.Stalin was born in the Georgian town of Gori, then part of the Russian Empire and home to a mix of Georgian, Armenian, Russian, and Jewish communities. He was born on , and baptised on 29 December. Answer: 72
A:
What age was Stalin when he gave Pomeranchuk an order to go to Sarov?