CREATE TABLE table_name_35 (command_set VARCHAR(255), _number_fdd VARCHAR(255), fdd_capacity__each_ VARCHAR(255), sides VARCHAR(255))
Tell me the command set with FDD capacity of 270kb and sides of ds with #FDD more than 1
    
SQL: SELECT command_set FROM table_name_35 WHERE fdd_capacity__each_ = "270kb" AND sides = "ds" AND _number_fdd > 1