CREATE TABLE table_33095 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" TEXT)

When did the 1966 Cleveland Browns play the Green Bay Packers?
SELECT "Date" FROM table_33095 WHERE "Opponent" = 'green bay packers'
SELECT "Date" FROM "table_33095" WHERE "Opponent" = 'green bay packers'