which country has leaders guðni th . jóhannesson and guðni th . jóhannesson ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_leader dbr_Guðni_Th._Jóhannesson sep_dot var_uri dbo_leader dbr_Guðni_Th._Jóhannesson sep_dot var_uri a dbo_Country brack_close