CREATE TABLE table_204_313 (id NUMBER, "date" CLOB, "operation" CLOB, "location" CLOB, "type" CLOB, "information" CLOB)

which operation occurred right after operation maritime guard ?
SELECT "operation" FROM table_204_313 WHERE "date" > (SELECT "date" FROM table_204_313 WHERE "operation" = 'operation maritime guard') ORDER BY "date" LIMIT 1
SELECT "operation" FROM "table_204_313" WHERE "date" > (SELECT "date" FROM "table_204_313" WHERE "operation" = 'operation maritime guard') ORDER BY "date" FETCH FIRST 1 ROWS ONLY