What's the percentage of coins that is higher than the price 1 hour ago in May 29,2013? List the names of these coins.
percentage that is higher than the price 1 hour ago refers to percent_change_1h>0; in May 29,2013 refers to date = '2013-05-29'
SELECT T1.NAME FROM coins AS T1 INNER JOIN historical AS T2 ON T1.ID = T2.coin_id WHERE T2.DATE = '2013-05-29' AND T2.percent_change_1h > 0