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 | League | Pos. | Postseason | European competitions |
| --- | --- | --- | --- | --- | --- |
| 2007–08 | 4.0 | RegionalLiga | 3.0 | – | – |
| 2008–09 | 4.0 | RegionalLiga | 1.0 | Promoted | – |
| 2009–10 | 3.0 | ProB | 3.0 | Promoted | – |
| 2010–11 | 2.0 | ProA | 2.0 | Promoted | – |
| 2011–12 | 1.0 | Bundesliga | 4.0 | Semifinalist | – |
| 2012–13 | 1.0 | Bundesliga | 9.0 | – | Eurocup Regular Season |
Question:
What is the total number of tiers for the postseason of semifinalist?
Answer:
1.0