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who owned the new york yankees before george steinbrenner
Columbia Broadcasting System owned the New York Yankees before George Steinbrenner.
how long did george steinbrenner own the new york yankees
George Steinbrenner was the New York Yankees' principal owner from 1973 until his death in 2010.

Question: who was the team's first general manager
Self-contained rewrite: who is the new york yankees’ first general manager