What are the dates that had the top 5 cloud cover rates? Also tell me the cloud cover rate.
SELECT date ,  cloud_cover FROM weather ORDER BY cloud_cover DESC LIMIT 5
SELECT date ,  cloud_cover FROM weather ORDER BY cloud_cover DESC LIMIT 5
[{'date': '8/8/2015', 'cloud_cover': ''}, {'date': '1/29/2014', 'cloud_cover': 8}, {'date': '2/6/2014', 'cloud_cover': 8}, {'date': '2/7/2014', 'cloud_cover': 8}, {'date': '2/8/2014', 'cloud_cover': 8}]