CREATE TABLE table_203_313 (id NUMBER, "name" CLOB, "pennant" CLOB, "builder" CLOB, "launched" CLOB, "original name" CLOB, "fate" CLOB)

what date was the first ship launched ?
SELECT "launched" FROM table_203_313 ORDER BY "launched" LIMIT 1
SELECT "launched" FROM "table_203_313" ORDER BY "launched" FETCH FIRST 1 ROWS ONLY