name the office holder whose predecessor is antónio teixeira de sousa and successor is joão pinheiro chagas ?
SELECT DISTINCT var_uri where brack_open var_uri dbp_predecessor dbr_António_Teixeira_de_Sousa sep_dot var_uri dbp_successor dbr_João_Pinheiro_Chagas sep_dot var_uri a dbo_OfficeHolder brack_close