what is the flagbearer of the liechtenstein at the 2010 summer youth olympics and liechtenstein at the 2012 summer olympics
SELECT DISTINCT var_uri where brack_open dbr_Liechtenstein_at_the_2010_Summer_Youth_Olympics dbp_flagbearer var_uri sep_dot dbr_Liechtenstein_at_the_2012_Summer_Olympics dbp_flagbearer var_uri brack_close