Richard Michael Nolan (born December 17, 1943) is an American politician and member of the Minnesota DemocraticFarmerLabor Party who has been the U.S. Representative for Minnesota's 8th congressional district since 2013 and previously served as the U.S. Representative for Minnesota's 6th congressional district from 1975 to 1981.

Based on that paragraph can we conclude that this sentence is true?
Richard Michael Nolan was a member of the Minnesota Democratic-Farmer-Labor Party in 1975
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