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:
| Team | Car(s) | Driver(s) | Primary Sponsor(s) | Crew Chief |
| --- | --- | --- | --- | --- |
| BAM Racing | Dodge Charger | Ken Schrader | Schwans | David Hyder |
| Bill Davis Racing | Dodge Charger | Scott Wimmer | Caterpillar Inc. | Derrick Finley |
| Bill Davis Racing | Dodge Charger | Casey Atwood | Sirius Satellite Radio | Lee McCall |
| Chip Ganassi Racing with Felix Sabates | Dodge Charger | Sterling Marlin | Coors Light | Steve Boyer |
| Chip Ganassi Racing with Felix Sabates | Dodge Charger | Casey Mears | Target Corporation | Jimmy Elledge |
| Chip Ganassi Racing with Felix Sabates | Dodge Charger | Jamie McMurray | Texaco / Havoline | Donnie Wingo |
| Dale Earnhardt, Inc. | Chevrolet Monte Carlo | Dale Earnhardt, Jr. | Budweiser | Pete Rondeau |
| Dale Earnhardt, Inc. | Chevrolet Monte Carlo | Michael Waltrip | NAPA Auto Parts | Tony Eury, Jr. |
| Evernham Motorsports | Dodge Charger | Kasey Kahne | Dodge Dealers | Tommy Baldwin Jr. |
| Evernham Motorsports | Dodge Charger | Jeremy Mayfield | Dodge Dealers | Kenny Francis |
| Front Row Motorsports | Chevrolet Monte Carlo | Stanton Barrett (R) | First Trust Portfolios | Fred Wanke |
| Haas CNC Racing | Chevrolet Monte Carlo | Mike Bliss | NetZero | Bootie Barker |
| Hendrick Motorsports | Chevrolet Monte Carlo | Kyle Busch (R) | Kellogg Company | Alan Gustafson |
| Hendrick Motorsports | Chevrolet Monte Carlo | Jeff Gordon | DuPont | Robbie Loomis |
| Hendrick Motorsports | Chevrolet Monte Carlo | Brian Vickers | GMAC | Lance McGrew |
| Hendrick Motorsports | Chevrolet Monte Carlo | Jimmie Johnson | Lowe's | Chad Knaus |
| Joe Gibbs Racing | Chevrolet Monte Carlo | Jason Leffler | FedEx | Dave Rogers |
| Joe Gibbs Racing | Chevrolet Monte Carlo | Bobby Labonte | Interstate Batteries | Steve Addington |
| Joe Gibbs Racing | Chevrolet Monte Carlo | Tony Stewart | The Home Depot | Greg Zipadelli |
| Kirk Shelmerdine Racing | Ford Taurus | Kirk Shelmerdine | Freddie B's | Phil Harris |
| Mach 1 Racing | Chevrolet Monte Carlo | Randy LaJoie | Dimension Films | Mike Steurer |
| MBV Motorsports | Chevrolet Monte Carlo | Joe Nemechek | United States Army | Ryan Pemberton |
| MBV Motorsports | Chevrolet Monte Carlo | Scott Riggs | Valvoline | Doug Randolph |
| Morgan-McClure Motorsports | Chevrolet Monte Carlo | Mike Wallace | Lucas Oil | Chris Carrier |
| Penske-Jasper Racing | Dodge Charger | Rusty Wallace | Miller Lite | Larry Carter |
| Penske-Jasper Racing | Dodge Charger | Ryan Newman | Alltel | Matt Borland |
| Penske-Jasper Racing | Dodge Charger | Travis Kvapil (R) | Eastman Kodak | Shane Wilson |
| Petty Enterprises | Dodge Charger | Jeff Green | Cheerios | Greg Steadman |
| Petty Enterprises | Dodge Charger | Kyle Petty | Georgia-Pacific | Paul Andrews |
| Peak Fitness Racing | Ford Taurus | Hermie Sadler | Peak Fitness | James Ince |
| ppc Racing | Ford Taurus | John Andretti | Victory Brand | Dave Charpentier |
| PPI Motorsports | Chevrolet Monte Carlo | Bobby Hamilton, Jr. | Tide | Harold Holly |
| Raabe Racing Enterprises | Chevrolet Monte Carlo | Eric McClure (R) | ARC DeHooker | Tim Brewer |
| R&J Racing | Dodge Charger | Kevin Lepage | BoSpoker / Patron Tequila | Billy Poindexter |
| Richard Childress Racing | Chevrolet Monte Carlo | Dave Blaney | Jack Daniel's | Phillipe Lopez |
| Richard Childress Racing | Chevrolet Monte Carlo | Kevin Harvick | GM Goodwrench | Todd Berrier |
| Richard Childress Racing | Chevrolet Monte Carlo | Jeff Burton | Cingular Wireless | Kevin Hamlin |
| Robby Gordon Motorsports | Chevrolet Monte Carlo | Robby Gordon | Harrah's / Fruit of the Loom | Bob Temple |
| Robert Yates Racing | Ford Taurus | Elliott Sadler | M&M's | Todd Parrott |
| Robert Yates Racing | Ford Taurus | Dale Jarrett | UPS | Mike Ford |
| Roush Racing | Ford Taurus | Mark Martin | Pfizer / Viagara | Pat Tryson |
| Roush Racing | Ford Taurus | Greg Biffle | National Guard / Post-It | Doug Richert |
| Roush Racing | Ford Taurus | Matt Kenseth | DeWalt | Robbie Reiser |
| Roush Racing | Ford Taurus | Kurt Busch | Sharpie / Rubbermaid | Jimmy Fennig |
| Roush Racing | Ford Taurus | Carl Edwards | Scotts / Office Depot | Bob Osborne |
| Victory In Jesus Racing | Dodge Charger | Morgan Shepherd | Racing with Jesus | Troy Kelly |
| Wood Brothers Racing | Ford Taurus | Ricky Rudd | Motorcraft | Michael McSwain |
Question:
What is the primary sponsor of driver Mark Martin?
Answer:
Pfizer / Viagara