Table:
text: 2005 Notre Dame Fighting Irish football team
Schedule
Schedule
Date_ Time_ Opponent_ Rank_ Site TV Result_ Attendance_
September 3, 2005 8:00 pm at #25 Pittsburgh  Heinz Field • Pittsburgh, PA ABC W 42-21 66451
September 10, 2005 12:00 pm at #3 Michigan #23 Michigan Stadium • Ann Arbor, MI ABC W 17-10 111386
September 17, 2005 3:30 pm Michigan State #12 Notre Dame Stadium • Notre Dame, IN NBC L 44-41 OT 80795
September 24, 2005 3:30 pm at Washington #18 Husky Stadium • Seattle WA ABC W 36-17 71473
October 1, 2005 7:45 pm at #20 Purdue #14 Ross–Ade Stadium • West Lafayette, IN ESPN W 49-28 65491

Question: What is the total number of participants on September 17, 2005 of the Notre Dame Fighting Irish football team?