Table:
text: 2008 NCAA Division I FBS football rankings
AP Poll
AP Poll
Week_2_Sept_7 Week_3_Sept_14 Week_4_Sept_21 Week_5_Sept_28 Week_6_Oct_5 Week_7_Oct_12 Week_10_Nov_2 Week_12_Nov_16 Week_14_Nov_30 Week_15_Dec_7 Week_16_Final_Jan_9
Oregon (2-0) Penn State (3-0) Wake Forest (3-0) Kansas (3-1) Kansas (4-1) Kansas (5-1) Ball State (8-0) BYU (10-1) Oregon (9-3) Georgia (9-3) Oklahoma State (9-4)
Penn State (2-0) Oregon (3-0) Utah (4-0) Boise State (3-0) Oklahoma State (5-0) Virginia Tech (5-1) BYU (8-1) Michigan State (9-2) Georgia (9-3) BYU (10-2) Cincinnati (11-3)
BYU (2-0) Wake Forest (2-0) Kansas (3-1) Wisconsin (3-1) Virginia Tech (5-1) North Carolina (5-1) Michigan State (8-2) LSU (7-3) Boston College (9-3) Pittsburgh (9-3) Oregon State (9-4)
South Florida (2-0) Kansas (2-1) Boise State (3-0) Vanderbilt (4-0) South Florida (5-1) South Florida (5-1) North Carolina (6-2) Cincinnati (8-2) Missouri (9-3) Michigan State (9-3) Missouri (10-4)

Question: What is the Week 4 opponent for the year with a Week 10 opponent of Michigan State (8-2) in the AP Poll of the 2008 NCAA Division I FBS Football Rankings?