Find all the distinct district names ordered by city area in descending.
SELECT DISTINCT District_name FROM district ORDER BY city_area DESC
SELECT DISTINCT District_name FROM district ORDER BY city_area DESC
[{'District_name': 'Faisalabad District'}, {'District_name': 'Gujranwala District'}, {'District_name': 'Bahawalpur District'}, {'District_name': 'Jhang District'}, {'District_name': 'Gujrat District'}, {'District_name': 'Dera Ghazi Khan District'}, {'District_name': 'Jhelum District'}, {'District_name': 'Attock District'}, {'District_name': 'Kasur District'}, {'District_name': 'Khanewal District'}, {'District_name': 'Bhakkar District'}, {'District_name': 'Bahawalnagar District'}, {'District_name': 'Chiniot District'}, {'District_name': 'Chakwal District'}, {'District_name': 'Hafizabad District'}]