Complex sentence: Chukhrai's next film "Clear Skies" was released in 1961 and told the story of a Soviet pilot who had survived Nazi imprisonment during the war, but was accused of spying.
Split into simpler sentences: Chukhrai's next film "Clear Skies" was released in 1961. It told the story of a Soviet pilot who had survived Nazi imprisonment during the war, but was accused of spying.