CREATE TABLE table_75224 ("Sport" CLOB, "Record" CLOB, "Nation" CLOB, "Date" CLOB, "Time  ( sec. ) " FLOAT)

Which nation finished with a time of 47.049?
SELECT "Nation" FROM table_75224 WHERE "Time (sec.)" = '47.049'
SELECT "Nation" FROM "table_75224" WHERE "Time (sec.)" = '47.049'