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 | Network | Lap-by-lap | s Color commentator | Pre-Race Host | Pre-Race Analyst(s) | Ratings | Viewers |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2007.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | Chris Myers | Jeff Hammond Darrell Waltrip | 10.1/20 | 17.5 million |
| 2008.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | Chris Myers | Jeff Hammond Darrell Waltrip | 10.2/20 | 17.8 million |
| 2009.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | Chris Myers | Jeff Hammond Darrell Waltrip | 9.2/19 | 16.0 million |
| 2010.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | Chris Myers | Jeff Hammond Darrell Waltrip | 7.7/16 | 13.3 million |
| 2011.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | Chris Myers | Jeff Hammond Darrell Waltrip | 8.7/20 | 15.6 million |
| 2012.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | John Roberts | Michael Waltrip Darrell Waltrip | 8.0/14 | 13.7 million |
| 2013.0 | Fox | Mike Joy | Darrell Waltrip Larry McReynolds | Chris Myers | Michael Waltrip Darrell Waltrip | 9.9/22 | 16.7 million |
Question:
Which Year is the lowest when the Viewers are 13.7 million?
Answer:
2012.0