Question: What is the real name of the Soviet KGB spy whose release in exchange for U.S. Air Force pilot Francis Gary Powers was portrayed in the movie Bridge of Spies?
Sentence (from "Bridge of Spies (film)"): Set during the Cold War, the film tells the story of lawyer James B. Donovan, who is entrusted with negotiating the release of Francis Gary Powers—a U.S. Air Force pilot whose U-2 spy plane was shot down over the Soviet Union in 1960—in exchange for Rudolf Abel, a convicted Soviet KGB spy held under the custody of the United States, whom he represented at trial.
Relevant evidence: Yes