alter table `quest_template`
    add column `ReqItemId5` mediumint(8) UNSIGNED DEFAULT '0' NOT NULL after `ReqItemId4`,
    add column `ReqItemId6` mediumint(8) UNSIGNED DEFAULT '0' NOT NULL after `ReqItemId5`,
    add column `ReqItemCount5` smallint(5) UNSIGNED DEFAULT '0' NOT NULL after `ReqItemCount4`,
    add column `ReqItemCount6` smallint(5) UNSIGNED DEFAULT '0' NOT NULL after `ReqItemCount5`;