CREATE TABLE table_24022 ("Week" FLOAT, "Player" TEXT, "Team" TEXT, "Opponent" TEXT, "Carries" FLOAT, "Yards" FLOAT, "Average" TEXT, "Touchdowns" FLOAT)

What was the player's team's opponent for Week 12?
SELECT "Opponent" FROM table_24022 WHERE "Week" = '12'
SELECT "Opponent" FROM "table_24022" WHERE "Week" = '12'