CREATE TABLE table_27615 ("Week" FLOAT, "Date" TEXT, "Kickoff" TEXT, "Opponent" TEXT, "Final score" TEXT, "Team record" TEXT, "Game site" TEXT, "Attendance" FLOAT)

On week 7, what were the opponents?
SELECT "Opponent" FROM table_27615 WHERE "Week" = '7'
SELECT "Opponent" FROM "table_27615" WHERE "Week" = '7'