Table: 1990 - 91 boston celtics season
[['game', 'date', 'opponent', 'score', 'location', 'record'], ['15', 'sat dec 1', 'philadelphia 76ers', '110 - 116', 'the spectrum', '12 - 3'], ['16', 'mon dec 3', 'seattle supersonics', '135 - 102', 'boston garden', '13 - 3'], ['17', 'wed dec 5', 'denver nuggets', '148 - 140', 'boston garden', '14 - 3'], ['18', 'fri dec 7', 'dallas mavericks', '112 - 104', 'reunion arena', '15 - 3'], ['19', 'sat dec 8', 'san antonio spurs', '96 - 102', 'hemisfair arena', '15 - 4'], ['20', 'mon dec 10', 'houston rockets', '107 - 95', 'the summit', '16 - 4'], ['21', 'wed dec 12', 'milwaukee bucks', '129 - 111', 'boston garden', '17 - 4'], ['22', 'fri dec 14', 'detroit pistons', '108 - 100', 'boston garden', '18 - 4'], ['23', 'sat dec 15', 'miami heat', '114 - 100', 'miami arena', '19 - 4'], ['24', 'wed dec 19', 'philadelphia 76ers', '115 - 105', 'boston garden', '20 - 4'], ['25', 'thu dec 20', 'charlotte hornets', '115 - 96', 'charlotte coliseum', '21 - 4'], ['26', 'sun dec 23', 'atlanta hawks', '132 - 104', 'boston garden', '22 - 4'], ['27', 'wed dec 26', 'indiana pacers', '152 - 132', 'boston garden', '23 - 4'], ['28', 'fri dec 28', 'atlanta hawks', '114 - 131', 'the omni', '23 - 5']]
Statement: the Atlanta Hawk and the Philadelphia 76ers were the Opponent the same number of time
Statement: there were 7 game that took place at Boston Garden
Statement: the game on December 1st and December 19th were against the same team
Statement: the game against the Charlotte Hornet took place before the game against the Indiana Pacer
Statement: both game against the Atlanta Hawk took place after December 20th