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 | Position in 2012 | First season | Number of seasons | First season of current spell | Titles | Last title |
| --- | --- | --- | --- | --- | --- | --- |
| AIK | 4th | 1924–25 | 84.0 | 2006.0 | 5.0 | 2009 |
| BK Häcken | 2nd | 1983 | 12.0 | 2009.0 | 0.0 | N/A |
| Djurgårdens IF | 9th | 1927–28 | 57.0 | 2001.0 | 7.0 | 2005 |
| Gefle IF | 11th | 1933–34 | 12.0 | 2005.0 | 0.0 | N/A |
| Halmstads BK | 3rd in Superettan | 1933–34 | 50.0 | 2013.0 | 4.0 | 2000 |
| Helsingborgs IF | 6th | 1924–25 | 62.0 | 1993.0 | 7.0 | 2011 |
| IF Brommapojkarna | 2nd in Superettan | 2007 | 3.0 | 2013.0 | 0.0 | N/A |
| IF Elfsborg | 1st | 1926–27 | 69.0 | 1997.0 | 6.0 | 2012 |
| IFK Göteborg | 7th | 1924–25 | 80.0 | 1977.0 | 13.0 | 2007 |
| IFK Norrköping | 5th | 1924–25 | 72.0 | 2011.0 | 12.0 | 1992 |
| Kalmar FF | 10th | 1949–50 | 25.0 | 2004.0 | 1.0 | 2008 |
| Malmö FF | 3rd | 1931–32 | 77.0 | 2001.0 | 19.0 | 2010 |
| Mjällby AIF | 12th | 1980 | 6.0 | 2010.0 | 0.0 | N/A |
| Syrianska FC | 13th | 2011 | 2.0 | 2011.0 | 0.0 | N/A |
| Åtvidabergs FF | 8th | 1968 | 17.0 | 2012.0 | 2.0 | 1973 |
| Östers IF | 1st in Superettan | 1968 | 32.0 | 2013.0 | 4.0 | 1981 |
Question:
what is the first season of current spell when the number of seasons is more than 72 and the position in 2012 4th?
Answer:
2006.0