user
Instruction
Answer the question based on the provided table.


Table
Table Title: 2012 Wisconsin Badgers football team
Table Content:
| Date | Time | Opponent# | Rank# | Site | TV | Result | Attendance |
| --- | --- | --- | --- | --- | --- | --- | --- |
| September 1 | 2:30 PM | #9 (FCS) Northern Iowa* | #12 | Camp Randall Stadium • Madison, WI | BTN | W 26–21 | 79,568 |
| September 8 | 3:00 PM | at Oregon State* | #13 | Reser Stadium • Corvallis, OR | FX | L 7–10 | 42,189 |
| September 15 | 7:00 PM | Utah State* | #22 | Camp Randall Stadium • Madison, WI | BTN | W 16–14 | 79,332 |
| September 22 | 11:00 AM | UTEP* | #24 | Camp Randall Stadium • Madison, WI | ESPN2 | W 37–26 | 79,806 |
| September 29 | 7:00 PM | at #20 Nebraska | #23 | Memorial Stadium • Lincoln, NE | ABC | L 27–30 | 85,962 |
| October 6 | 2:30 PM | Illinois |  | Camp Randall Stadium • Madison, WI | ABC/ESPN2 | W 31–14 | 80,096 |
| October 13 | 11:00 AM | at Purdue |  | Ross-Ade Stadium • West Lafayette, IN | BTN | W 38–14 | 46,007 |
| October 20 | 11:00 AM | Minnesota |  | Camp Randall Stadium • Madison, WI (Paul Bunyan's Axe) | ESPNU | W 38–13 | 80,587 |
| October 27 | 2:30 PM | Michigan State | #25 | Camp Randall Stadium • Madison, WI | ABC/ESPN2 | L 13–16 OT | 80,538 |
| November 10 | 11:00 AM | at Indiana |  | Memorial Stadium • Bloomington, IN | ESPN2 | W 62–14 | 43,240 |
| November 17 | 2:30 PM | Ohio State |  | Camp Randall Stadium • Madison, WI | ABC/ESPN2 | L 14–21 OT | 80,112 |
| November 24 | 2:30 PM | at Penn State |  | Beaver Stadium • University Park, PA | ESPN2 | L 21–24 OT | 93,505 |
| December 1 | 7:00 PM | vs. #14 Nebraska |  | Lucas Oil Stadium • Indianapolis, IN (Big Ten Championship Game) | FOX | W 70–31 | 41,260 |
| January 1, 2013 | 4:10 PM | vs. #8 Stanford | #23 | Rose Bowl • Pasadena, CA (Rose Bowl) | ESPN | L 14–20 | 93,259 |


Question
what is the number of opponents?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["14"]