what is the flagbearer of the czechoslovakia at the 1992 summer olympics and czechoslovakia at the 1992 summer olympics
SELECT DISTINCT var_uri where brack_open dbr_Czechoslovakia_at_the_1992_Summer_Olympics dbp_flagbearer var_uri sep_dot dbr_Czechoslovakia_at_the_1992_Summer_Olympics dbp_flagbearer var_uri brack_close