BY BRIAN HAMILTON KNOXVILLE – The King’s Academy swept Grace Christian in both regular season meetings and throughout most of the game, it looked as if the Lady Lions were going to take a third game from the Lady Rams, but Grace Christian hit big shots in the fourth quarter, while TKA went cold for much of the period, falling in the district semifinals by a score of 54-51. “We just had some mental letdowns and they hit some big threes and we’ve got to respond,” TKA head coach Dante Turnipseed said after the game. “We say that basketball is …