which silver medalist of the athletics at the 2004 summer olympics – men's 5000 metres was also the flagbearer of the ethiopia at the 2008 summer olympics
SELECT DISTINCT var_uri where brack_open dbr_Athletics_at_the_2004_Summer_Olympics_–_Men's_5000_metres dbo_silverMedalist var_uri sep_dot dbr_Ethiopia_at_the_2008_Summer_Olympics dbp_flagbearer var_uri brack_close