CREATE TABLE table_22647 ("Game" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Dolphins points" FLOAT, "Opponents" FLOAT, "Record" TEXT, "Attendance" FLOAT)

What is the date when the opponent is the New England Patriots?
SELECT "Date" FROM table_22647 WHERE "Opponent" = 'New England Patriots'
SELECT "Date" FROM "table_22647" WHERE "Opponent" = 'New England Patriots'