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:
| # | Club | Winner | Last win | Runner-up | Last losing final |
| --- | --- | --- | --- | --- | --- |
| 1 | Esteghlal (Taj) | 6 | 2012 | 3 | 2004 |
| 2 | Persepolis | 5 | 2011 | 2 | 2013 |
| 3 | Sepahan | 4 | 2013 | 0 | N/A |
| 4 | Malavan | 3 | 1990 | 4 | 2011 |
| 5 | Zob Ahan | 2 | 2009 | 1 | 2001 |
| 6 | Bahman | 1 | 1995 | 2 | 2000 |
| = | Fajr Sepasi | 1 | 2001 | 2 | 2003 |
| = | Tractor Sazi | 1 | 2014 | 2 | 1995 |
| 8 | Bargh Shiraz | 1 | 1997 | 1 | 1996 |
| = | Saba Qom (Saba Battery) | 1 | 2005 | 1 | 2007 |
| 10 | Saipa | 1 | 1994 | 0 | N/A |
| = | Shahin Ahvaz | 1 | 1988 | 0 | N/A |
| 13 | Homa | 0 | N/A | 1 | 1977 |
| = | Kheibar Khorramabad | 0 | N/A | 1 | 1986 |
| = | Jonoob Ahvaz | 0 | N/A | 1 | 1994 |
| = | Aboomoslem | 0 | N/A | 1 | 2005 |
| = | Damash (Pegah) | 0 | N/A | 1 | 2008 |
| = | Rah Ahan | 0 | N/A | 1 | 2009 |
| = | Gostaresh Foolad | 0 | N/A | 1 | 2010 |
| = | Shahin Bushehr | 0 | N/A | 1 | 2012 |
| = | Mes Kerman | 0 | N/A | 1 | 2014 |
Question:
how many different clubs have won?
Answer:
12