Assertion: spectrum | /r/ObjectUse | used for the 1975
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Source sentences:
text: The Spectrum was used for many basketball tournaments, including Big Five games, eight Atlantic 10 Conference tournaments (1977, 1983, 1997–2002), the 1975, 1980 and 1992 NCAA East Regional (site of the famous last-second shot by Christian Laettner of Duke to beat Kentucky), and the 1976 and 1981 Final fours (both won by Bob Knight's Indiana Hoosiers).