article_snippet.sent: The Russian beat Ennis-Hill to gold at the 2011 World Championships in Korea but was in January revealed to have failed a drugs test in 2009.
article_snippet.sent: Tatyana Chernova (left) failed a drugs test two years before beating Ennis-Hill in South Korea in 2011 .
article_snippet.sent: Ennis-Hil has written to the  IAAF to ask why Tatyana Chernova (left) has been allowed to keep Tatyana Chernova (left) world title .
article_snippet.sent: Ennis-Hill has written to the  IAAF to ask why and bid to get the gold. '