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 | Date | Winning Driver | Car # | Sponsor | Make | Distance | Avg Speed | Margin of Victory |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1997.0 | April 6 | Jeff Burton | 99.0 | Exide Batteries | Ford Thunderbird | mi (km) | mph (km/h) | 4.067 sec |
| 1998.0 | April 5 | Mark Martin | 6.0 | Valvoline | Ford Taurus | mi (km) | mph (km/h) | 0.573 sec |
| 1999.0 | March 28 | Terry Labonte | 5.0 | Kellogg's | Chevrolet Monte Carlo | mi (km) | mph (km/h) | UC |
| 2000.0 | April 2 | Dale Earnhardt Jr | 8.0 | Budweiser | Chevrolet Monte Carlo | mi (km) | mph (km/h) | 5.920 sec |
| 2001.0 | April 1 | Dale Jarrett | 88.0 | UPS | Ford Taurus | mi (km) | mph (km/h) | 0.73 sec |
| 2002.0 | April 8 | Matt Kenseth | 17.0 | DeWalt | Ford Taurus | mi (km) | mph (km/h) | 0.888 sec |
| 2003.0 | March 30 | Ryan Newman | 12.0 | Alltel | Dodge Intrepid | mi (km) | mph (km/h) | 3.405 sec |
| 2004.0 | April 4 | Elliott Sadler | 38.0 | M&Ms | Ford Taurus | mi (km) | mph (km/h) | 0.028 sec |
| 2005.0 | April 17 | Greg Biffle | 16.0 | Post-it / National Guard | Ford Taurus | mi (km) | mph (km/h) | 3.244 sec |
| 2005.0 | November 6 | Carl Edwards | 99.0 | Office Depot | Ford Taurus | mi (km) | mph (km/h) | 0.584 sec |
| 2006.0 | April 9 | Kasey Kahne | 9.0 | Dodge Dealers / UAW | Dodge Charger | mi (km) | mph (km/h) | 5.229 sec |
| 2006.0 | November 5 | Tony Stewart | 20.0 | Home Depot | Chevrolet Monte Carlo SS | mi (km)* | mph (km/h) | 0.272 sec |
| 2007.0 | April 15 | Jeff Burton | 31.0 | Prilosec OTC | Chevrolet Monte Carlo SS | mi (km) | mph (km/h) | 0.410 sec |
| 2007.0 | November 4 | Jimmie Johnson | 48.0 | Lowe's / Kobalt | Chevrolet Monte Carlo SS | mi (km) | mph (km/h) | 0.944 sec |
| 2008.0 | April 6 | Carl Edwards | 99.0 | Aflac | Ford Fusion | mi (km)* | mph (km/h) | 0.399 sec |
| 2008.0 | November 2 | Carl Edwards | 99.0 | Office Depot | Ford Fusion | mi (km) | mph (km/h) | 8.310 sec |
| 2009.0 | April 5 | Jeff Gordon | 24.0 | DuPont / National Guard GED Plus | Chevrolet Impala SS | mi (km) | mph (km/h) | 0.378 sec |
| 2009.0 | November 8 | Kurt Busch | 2.0 | Miller Lite Operation Homefront | Dodge Charger | mi (km) | mph (km/h) | 25.686 sec |
| 2010.0 | April 19 | Denny Hamlin | 11.0 | FedEx Ground | Toyota Camry | mi (km) | mph (km/h) | 0.152 sec |
| 2010.0 | November 7 | Denny Hamlin | 11.0 | FedEx Office | Toyota Camry | mi (km) | mph (km/h) | 0.488 sec |
| 2011.0 | April 9 | Matt Kenseth | 17.0 | Crown Royal Black | Ford Fusion | mi (km) | mph (km/h) | 8.315 sec |
| 2011.0 | November 6 | Tony Stewart | 14.0 | Office Depot | Chevrolet Impala | mi (km) | mph (km/h) | 1.092 sec |
| 2012.0 | April 14 | Greg Biffle | 16.0 | 3M/Filtrete Filters | Ford Fusion | mi (km) | mph (km/h) | 3.235 sec |
| 2012.0 | November 4 | Jimmie Johnson | 48.0 | Lowe's | Chevrolet Impala | mi (km)* | mph (km/h) | 0.808 sec |
| 2013.0 | April 13 | Kyle Busch | 18.0 | Interstate Batteries | Toyota Camry | mi (km) | mph (km/h) | 0.508 sec |
Question:
What is the highest car number sponsored by Post-It / National Guard?
Answer:
16.0