Please answer this: Formulate an answer to this elaborate question: Which English film and stage actor whose career spanned over four decades appeared in Saturday's Children?
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Answer: Claude Rains

Please answer this: Formulate an answer to this elaborate question: The 70th Cannes Film Festival took place from 17 to 28 May 2017, in Cannes, France featured what opening film, a 2017 French drama film directed by Arnaud Desplechin and starred Mathieu Amalric, Marion Cotillard, Charlotte Gainsbourg and Louis Garrel?
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Answer: Ismael's Ghosts

Please answer this: Formulate an answer to this elaborate question: Which Soviet mathematician was interrogated by the KGB as a result of his or her work, Sergei Novikov or Bella Subbotovskaya?
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Answer:
Bella Abramovna Subbotovskaya