what is the flagbearer of the tonga at the 2012 summer paralympics and tonga at the 2012 summer paralympics
SELECT DISTINCT var_uri where brack_open dbr_Tonga_at_the_2012_Summer_Paralympics dbp_flagbearer var_uri sep_dot dbr_Tonga_at_the_2012_Summer_Paralympics dbp_flagbearer var_uri brack_close