Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Opponent# | Rank# | Site | Result | Attendance |
| --- | --- | --- | --- | --- | --- |
| September 10 | Miami (FL)* | #5 | Ohio Stadium • Columbus, OH | W 10-0 | 86,287 |
| September 17 | Minnesota | #6 | Ohio Stadium • Columbus, OH | W 38-7 | 87,799 |
| September 24 | #3 Oklahoma* | #4 | Ohio Stadium • Columbus, OH | L 28-29 | 88,119 |
| October 1 | at SMU* | #6 | Cotton Bowl • Dallas, TX | W 35-7 | 51,970 |
| October 8 | Purdue | #4 | Ohio Stadium • Columbus, OH | W 46-0 | 87,707 |
| October 15 | at Iowa | #5 | Kinnick Stadium • Iowa City, IA | W 27-6 | 60,070 |
| October 22 | at Northwestern | #4 | Dyche Stadium • Evanston, IL | W 35-15 | 29,563 |
| October 29 | Wisconsin | #3 | Ohio Stadium • Columbus, OH | W 42-0 | 87,837 |
| November 5 | at Illinois | #4 | Memorial Stadium • Champaign, IL | W 35-0 | 66,973 |
| November 12 | Indiana | #4 | Ohio Stadium • Columbus, OH | W 35-7 | 87,786 |
| November 19 | at #5 Michigan | #4 | Michigan Stadium • Ann Arbor, MI | L 6-14 | 106,024 |
| January 2 | vs. #3 Alabama* | #9 | Louisiana Superdome • New Orleans, LA (Sugar Bowl) | L 6-35 | 76,811 |
Question:
how many dates are on the chart
Answer:
12