what were the number of years schools participated in the great lakes invitational?
44, 40, 49, 4, 4, 1, 2, 3, 3, 4, 4, 5, 5, 1, 1, 2, 3, 5, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2
which is the highest number of years?
49
what school participated this number of years?
michigan tech