CREATE TABLE table_67042 ("Rank" FLOAT, "Lane" FLOAT, "Name" CLOB, "Nationality" CLOB, "Time" CLOB)

What did Ku Hyo-Jin rank?
SELECT COUNT("Rank") FROM table_67042 WHERE "Name" = 'ku hyo-jin'
SELECT COUNT("Rank") FROM "table_67042" WHERE "Name" = 'ku hyo-jin'