which silver medalist of the swimming at the 2012 summer olympics – men's 400 metre individual medley was also the flagbearer of the brazil at the 2015 pan american games
SELECT DISTINCT var_uri where brack_open dbr_Swimming_at_the_2012_Summer_Olympics_–_Men's_400_metre_individual_medley dbo_silverMedalist var_uri sep_dot dbr_Brazil_at_the_2015_Pan_American_Games dbp_flagbearer var_uri brack_close