CREATE TABLE table_66326 ("Date" CLOB, "Internet Explorer" CLOB, "Firefox" CLOB, "Opera" CLOB, "Safari" CLOB, "Source" CLOB)

Which date has an Opera usage percentage of 5.1% and Internet Explorer usage of 59.5%?
SELECT "Date" FROM table_66326 WHERE "Opera" = '5.1%' AND "Internet Explorer" = '59.5%'
SELECT "Date" FROM "table_66326" WHERE "Internet Explorer" = '59.5%' AND "Opera" = '5.1%'