which silver medalist of the boxing at the 1924 summer olympics – men's welterweight was also the flagbearer of the argentina at the 1928 summer olympics
SELECT DISTINCT var_uri where brack_open dbr_Boxing_at_the_1924_Summer_Olympics_–_Men's_welterweight dbo_silverMedalist var_uri sep_dot dbr_Argentina_at_the_1928_Summer_Olympics dbp_flagbearer var_uri brack_close