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 | Tier | Division | Place |
| --- | --- | --- | --- |
| 1928–84 | 5 | Regional | — |
| 1984/85 | 4 | 3ª | 6th |
| 1985/86 | 4 | 3ª | 9th |
| 1986/87 | 4 | 3ª | 11th |
| 1987/88 | 4 | 3ª | 15th |
| 1988/89 | 4 | 3ª | 4th |
| 1989/90 | 4 | 3ª | 9th |
| 1990/91 | 4 | 3ª | 9th |
| 1991/92 | 4 | 3ª | 5th |
| 1992/93 | 4 | 3ª | 17th |
| 1993/94 | 4 | 3ª | 7th |
| 1994/95 | 4 | 3ª | 4th |
| 1995/96 | 4 | 3ª | 1st |
| 1996/97 | 3 | 2ªB | 19th |
| 1997/98 | 4 | 3ª | 2nd |
Question:
what is the total number of seasons listed on the chat?
Answer:
15