CREATE TABLE table_203_502 (id DECIMAL, "team" TEXT, "titles" DECIMAL, "runner-up" DECIMAL, "third place" DECIMAL, "fourth place" DECIMAL, "years participated" DECIMAL)

who is above michigan in years of participation .
SELECT "team" FROM table_203_502 WHERE "years participated" > (SELECT "years participated" FROM table_203_502 WHERE "team" = 'michigan')
SELECT "team" FROM "table_203_502" WHERE "years participated" > (SELECT "years participated" FROM "table_203_502" WHERE "team" = 'michigan')