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:
| Year | Tournament | Venue | Discipline | Result | Extra |
| --- | --- | --- | --- | --- | --- |
| 2008.0 | Summer Olympics | Beijing , China | 400m | SF | 44.88 s (NR) |
| 2008.0 | Summer Olympics | Beijing , China | 4x400m | 5th | 2:59.37 s (NR) |
| 2009.0 | NCAA Championships | Fayetteville, Arkansas , US | 400m | 4th | 45.43 s |
| 2009.0 | NCAA Championships | Fayetteville, Arkansas , US | 4x400m | 1st | 2:59.59 s |
| 2009.0 | World Championships | Berlin , Germany | 400m | SF | 45.28 s |
| 2009.0 | World Championships | Berlin , Germany | 4x400m | 4th | 3:01.88 s |
| 2010.0 | World Indoor Championships | Doha , Qatar | 4x400m | 2nd | 3:06.94 s |
| 2010.0 | European Championships | Barcelona , Spain | 400m | 1st | 45.08 s |
| 2010.0 | European Championships | Barcelona , Spain | 4x400m | 3rd | 3:02.60 s |
| 2011.0 | European Indoor Championships | Paris , France | 4x400m | 3rd | 3:06.57 s (NR) |
| 2011.0 | World Championships | Daegu , South Korea | 400m | 3rd | 44.90s |
| 2012.0 | European Championships | Helsinki , Finland | 4x400m | 1st | 3:01.09 s |
| 2012.0 | Summer Olympics | London , Great Britain | 400 m | 5th | 44.81 s |
| 2012.0 | Summer Olympics | London , Great Britain | 4x400 m | 6th | 3:01.83 s |
Question:
What is the extra when the result is 4th at the NCAA Championships?
Answer:
45.43 s