Table:
text: 2009 World Championships in Athletics – Men's 50 kilometres walk
Records
Records
World_record Denis_Nizhegorodov_RUS_ _3_34_14 Cheboksary_Russia _11_May_2008
Championship record Robert Korzeniowski ( POL ) 3:36:03 Paris , France 27 August 2003
World leading Yohann Diniz ( FRA ) 3:38:45 Dudince , Slovakia 28 March 2009
African record Hatem Ghoula ( TUN ) 3:58:44 Santa Eulària des Riu , Spain 4 March 2007
Asian record Yu Chaohong ( CHN ) 3:36:06 Nanjing , China 22 October 2005
North American record Raúl González ( MEX ) 3:41:20 Poděbrady , Czechoslovakia 11 June 1978
South American record Xavier Moreno ( ECU ) 3:52:07 Rio de Janeiro , Brazil 28 July 2007
European record Denis Nizhegorodov ( RUS ) 3:34:14 Cheboksary, Russia 11 May 2008

Question: If 3:38:45 is 3:34:14 what is the date on May 11, 2008 for the 2009 World Athletics Championships - Men's 50K Walk?

Question: Among the 2009 World Athletics Championships - men's 50K walk, if the North American record is the world record, who is the Denis Nizhegorodov (rus)?

Question: If 3:41:20 is 3:34:14 under IAAF World Championships 2009 – men's 50 km walk, what is Cheboksary, Russia?