List of doping cases in athletics

Columns: Name | Country | Event | Date of violation | Banned substance ( s ) / Anti-doping rule violation | Sanction
Larry Wade | United States | Hurdling | 2004 | 19-Norandrosterone | 2 years | Alwin Wagner | West Germany | Discus throw | 1977-1987 | Self admittance : Steroids | - | Erick Walder | United States | Long jump | 2004 | Amphetamine , Methamphetamine | 2 years | Aleksander Waleriańczyk | Poland | High jump | 2003 | Caffeine | Public warning | Douglas Walker | Great Britain / Scotland | Sprinting | 1998 | Nandrolone | 2 years | Delisa Walton-Floyd | United States | Middle distance | 1991 | Amphetamine | 4 years | Wang Jiali | China | Marathon | 2012 | Biological passport | 2 years

Example questions:
Between United States and China , both of which had athletes with initial W accused of doping , which one has a bigger area ? | Out of all the long jumpers with initial W who were accused of doping , who is the youngest . ? | Between Poland and United States , both of which had athletes with initial W accused of doping which one has more people ? | Out of all the long jumpers with initial W who were accused of doping , who had the highest personal best ? | Out of all the middle distance runners with initial W who were accused of doping , who is the oldest ?

Answers:
United States | Wang Lina | United States | Erick Walder | Joan Wenzel