List of doping cases in athletics

Columns: Name | Country | Event | Date of violation | Banned substance ( s ) / Anti-doping rule violation | Sanction
Nikolay Raev | Bulgaria | Triple jump | 1993 | Amphetamine | Ebrahim Rahimian | Iran | Race walk | 2013 | Testosterone , EPO | 2 years | Paweł Rakoczy | Poland | Javelin throw | 2008 | Sibutramine | Public warning | Sara Ramadhani | Tanzania | Cross country running | 2014 | Isometheptene | 2 years | Rashid Ramzi | Bahrain | Middle distance | 2008 { Re-analysed in 2009 ) | CERA | 2 years | Allison Randall | Jamaica | Discus throw | 2013 | Hydrochlorothiazide | 2 years | Kevin Rans | Belgium | Pole vault | 2009 | Corticosteroids | 3 months

Example questions:
In what year did the earliest competitor with initial R on the list of doping cases compete in the Olympic games ? | The most recent race walking violator with initial R for doping competed in the Olympics in what year ? | Which of the athlete with initial R that were disqualified in 2013 for doping was older ? | Which of the US competitors with initial R on the list of doping cases is younger ?

Answers:
1980 | 2012 | Ebrahim Rahimian | Michael Rodgers