Table:
text: 2005 NASCAR Nextel Cup Series
Teams and drivers
Teams and drivers
Team Cars Drivers Primary_Sponsors Crew_Chief
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

Question: Who is driver Mark Martin's primary sponsor in the 2005 NASCAR Nextel Cup Series?