CREATE TABLE table_67290 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Record" TEXT)

What was the game of the game against the White Sox with a record of 81-48?
SELECT "Date" FROM table_67290 WHERE "Opponent" = 'white sox' AND "Record" = '81-48'
SELECT "Date" FROM "table_67290" WHERE "Opponent" = 'white sox' AND "Record" = '81-48'