name the tv show whose network is pbs and is the subsequent work of where in time is carmen sandiego ? ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_network dbr_PBS sep_dot var_uri dbo_subsequentWork dbr_Where_in_Time_Is_Carmen_Sandiego%3F_ attr_open game_show attr_close sep_dot var_uri a dbo_TelevisionShow brack_close