Write SQL query to solve given problem: Which crytocurrency was ranked the first by CoinMarketCap on 2013/4/28?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.name FROM coins AS T1 INNER JOIN historical AS T2 ON T1.id = T2.coin_id WHERE T2.date = '2013-04-28' AND T2.cmc_rank = 1