what is the total number of level 4 seasons?
9
col : season | level | division | place row 1 : 2001/02 | 4 | 3ª | 4th row 2 : 2002/03 | 3 | 2ªb | 20th row 3 : 2003/04 | 4 | 3ª | 9th row 4 : 2004/05 | 4 | 3ª | 2nd row 5 : 2005/06 | 4 | 3ª | 3rd row 6 : 2006/07 | 4 | 3ª | 7th row 7 : 2007/08 | 4 | 3ª | 9th row 8 : 2008/09 | 4 | 3ª | 14th row 9 : 2009/10 | 4 | 3ª | 6th row 10 : 2010/11 | 4 | 3ª | 19th row 11 : 2011/12 | 5 | reg. pref. | 18th row 12 : 2012/13 | 6 | 1ª reg. | 15th row 13 : 2013/14 | 6 | 1ª reg. | —
what is the total number of level 4 seasons?
Season Level Division Place
2001/02 4 3ª 4th
2002/03 3 2ªB 20th
2003/04 4 3ª 9th
2004/05 4 3ª 2nd
2005/06 4 3ª 3rd
2006/07 4 3ª 7th
2007/08 4 3ª 9th
2008/09 4 3ª 14th
2009/10 4 3ª 6th
2010/11 4 3ª 19th
2011/12 5 Reg. Pref. 18th
2012/13 6 1ª Reg. 15th
2013/14 6 1ª Reg. —
9