CREATE TABLE table_13488 ("Date" CLOB, "Japan" CLOB, "Americas" CLOB, "Other" CLOB, "Total" CLOB)

Which date had Japanese sales of 0.61 million?
SELECT "Date" FROM table_13488 WHERE "Japan" = '0.61 million'
SELECT "Date" FROM "table_13488" WHERE "Japan" = '0.61 million'