Answer
2006
Work Step by Step
2003 Rangers attendance = 26,000
2006 Rangers attendance = 29,500 (not quite 30,000 but more than 29,000)
2003 Twins attendance = 24,000
2006 Twins attendance = 28,100 (not quite 29,000 but more than 28,000)
2006 attendance difference: $29800-28100 = 1700$
2003 attendance difference: $26000-24000 = 2000$