Do You Know The Code to Donnell? (Christchurch) Mystery Cache

‘This geocache is placed within the Christchurch Flat Lands Residential Red Zone. Please follow all warning signs that you may come across. It there are areas that are fenced off with no access, then this is for a reason. There are to be no motorised vehicles (cars, motorbikes etc) used to travel through the Red Zone land or on roads where barriers are in place. People used to live in these areas, so please be respectful when in the Red Zone.’