CREATE TABLE table_72947 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" FLOAT)

What was the date of the week 4 game?
SELECT "Date" FROM table_72947 WHERE "Week" = '4'
SELECT "Date" FROM "table_72947" WHERE "Week" = '4'