List of doping cases in athletics

Columns: Name | Country | Event | Date of violation | Banned substance ( s ) / Anti-doping rule violation | Sanction
Musa Amer Obaid | Qatar | Steeplechase | 2006 | Testosterone | 2 years | Al Oerter | United States | Discus throw | 1976 | Anabolic steroids . ( Self-admitted ) | - | Deborah Oluwaseun Odeyemi | Niger | Sprinting | 2015 | Metenolone | 4 years | Amaka Ogoegbunam | Nigeria | Sprinting | 2009 | Metenolone | 3 years | Femi Ogunode | Qatar | Sprinting | 2011 | Clenbuterol | 2 years | Christine Ohuruogu | Great Britain | Sprinting | 2006 | 3 whereabouts failures | 1 year | Aham Okeke | Norway | Sprinting | 1994 2006 | Testosterone , Pseudoephedrine Testosterone | 30 months Life ban

Example questions:
Which of the athletes with initial O that was known for doping and came from the most populous country in Africa was born the earliest ? | Who coaches the athlete with initial O who was known for their doping and is from the country that has the world 's longest-serving current head of state ? | How many times did the athlete with initial O who was known for doping and was from the country with 3.8 million square miles win a gold medal ? | What is the birth date of the athlete with initial O known for their doping case that was competing for the second largest country in the European Union ?

Answers:
Mary Onyali-Omagbemi | Lloyd Cowan | four | 15 July 1986