Win State of Play DVDs!
Classic TV conspiracy series State of Play, starring John Simm and David Morrissey, revolved around murky intrigues in the oil industry.
To win one of five DVDs, tell us which country is the world's top producer of oil: a) US b) Saudi Arabia c) Russia.
Text a, b or c and your details to 07797 801612 by September 3. Cost: 25p plus tariff. IMPORTANT See analogue C4 p102 or digital ITV 104 for new rules.