[["The time allowed for a game shall be three (3) twenty-minute periods of actual play with a rest intermission between periods.", 1212.0], ["There a 3 twenty minute periods In a regulation hockey game.", 1198.0], ["A regular ice hockey game consists of three 20 minute\u00a0periods, with a 15 minute intermission after the first and second periods. Teams change sides for each\u00a0period. In case of a tie in a medal round game, a five minute sudden death overtime\u00a0period will be played.", 660.0], ["There are three periods in hockey. ", 289.0]]
how many periods are there in hockey
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