CREATE TABLE table_70216 ("Currency" CLOB, "Code" CLOB, "Entry ERM II" CLOB, "Central rate" CLOB, "Official target date" CLOB)

Which currency has a central rate of 0.702804?
SELECT "Currency" FROM table_70216 WHERE "Central rate" = '0.702804'
SELECT "Currency" FROM "table_70216" WHERE "Central rate" = '0.702804'