Table:
text: Melaine Walker
Achievements
Achievements
Year_ Tournament Venue Result_ Event
2006 Central American and Caribbean Games Cartagena , Colombia 2nd 4x400 m relay
2007 World Athletics Final Stuttgart , Germany 3rd 400 m hurdles
2008 Olympic Games Beijing, China 1st 400 m hurdles
2008 World Athletics Final Stuttgart, Germany 1st 400 m hurdles
2009 World Championships Berlin, Germany 1st 400 m hurdles
2009 IAAF World Athletics Final Thesaloniki, Greece 1st 400 m hurdles

text: Melaine Walker
Achievements
Achievements
Year_ Tournament Venue Result_ Event
1998 World Junior Championships Annecy , France 5th 200 m
1998 World Junior Championships Annecy , France 3rd 4x100 m relay
1999 World Youth Championships Bydgoszcz , Poland 2nd 200 m
1999 World Youth Championships Bydgoszcz , Poland 6th 100 m hurdles
2000 World Junior Championships Santiago , Chile 3rd 400 m hurdles
2000 World Junior Championships Santiago , Chile 2nd 4x400 m relay
2002 World Junior Championships Kingston , Jamaica 2nd 400 m hurdles
2006 Central American and Caribbean Games Cartagena , Colombia 3rd 400 m hurdles

Question: What was the venue for the 400m hurdles for the Olympics where Melaine Walker was the winner?