CREATE TABLE table_2415 ("Game" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Midshipmen points" FLOAT, "Opponents" FLOAT, "Record" TEXT)

Name the opponent for opponents being 12
SELECT "Opponent" FROM table_2415 WHERE "Opponents" = '12'
SELECT "Opponent" FROM "table_2415" WHERE "Opponents" = '12'