what is the flagbearer of the czech republic at the 2016 summer olympics and czech republic at the 2016 summer olympics
SELECT DISTINCT var_uri where brack_open dbr_Czech_Republic_at_the_2016_Summer_Olympics dbp_flagbearer var_uri sep_dot dbr_Czech_Republic_at_the_2016_Summer_Olympics dbp_flagbearer var_uri brack_close