CREATE TABLE table_204_547 (id NUMBER, "rank" NUMBER, "lane" NUMBER, "name" CLOB, "nationality" CLOB, "time" NUMBER, "notes" CLOB)

who came in after petra chocova ?
SELECT "name" FROM table_204_547 WHERE "rank" = (SELECT "rank" FROM table_204_547 WHERE "name" = 'petra chocova') + 1
SELECT "name" FROM "table_204_547" WHERE "rank" = (SELECT "rank" FROM "table_204_547" WHERE "name" = 'petra chocova') + 1