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:
| 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. | — |
Question:
which season was the only season to come in 18th?
Answer:
2011/12