CREATE TABLE table_12523 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Attendance" FLOAT, "Record" TEXT)

Which Opponent has a Week larger than 3, and a Game site of mile high stadium, and a Record of 3 3?
SELECT "Opponent" FROM table_12523 WHERE "Week" > '3' AND "Game site" = 'mile high stadium' AND "Record" = '3–3'
SELECT "Opponent" FROM "table_12523" WHERE "Game site" = 'mile high stadium' AND "Record" = '3–3' AND "Week" > '3'